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Date: Thu, 26 Apr 2007 10:58:57 -0700 (PDT)
From: Christoph Lameter <clameter@sgi.com>
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To: "Eric W. Biederman" <ebiederm@xmission.com>
cc: Mel Gorman <mel@skynet.ie>, Nick Piggin <nickpiggin@yahoo.com.au>,
       David Chinner <dgc@sgi.com>, linux-kernel@vger.kernel.org,
       William Lee Irwin III <wli@holomorphy.com>,
       Jens Axboe <jens.axboe@oracle.com>,
       Badari Pulavarty <pbadari@gmail.com>,
       Maxim Levitsky <maximlevitsky@gmail.com>
Subject: Re: [00/17] Large Blocksize Support V3
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On Thu, 26 Apr 2007, Eric W. Biederman wrote:

> I can't possibly believe any of this is about the cost of processing
> a request, but rather the problem that some devices don't have a large
> enough pool of requests to keep them busy if you submit the requests
> in a 4K page sizes.
> 
> This all sounds like a device design issue rather than anything more
> significant, and it doesn't sound like a long term trend.  Market
> pressure should fix the hardware.

Sounds like we are dictating device manufacturers how to 
design their devices instead of leaving them choice.