linux-kernel - Re: [00/17] Large Blocksize Support V3

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Message-ID: <Pine.LNX.4.64.0705040910330.21436@schroedinger.engr.sgi.com>
Date:	Fri, 4 May 2007 09:11:19 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
cc:	David Chinner <dgc@....com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Mel Gorman <mel@...net.ie>,
	William Lee Irwin III <wli@...omorphy.com>,
	Jens Axboe <jens.axboe@...cle.com>,
	Badari Pulavarty <pbadari@...il.com>,
	Maxim Levitsky <maximlevitsky@...il.com>
Subject: Re: [00/17] Large Blocksize Support V3

On Fri, 4 May 2007, Eric W. Biederman wrote:

> Given that small block sizes give us better storage efficiency,
> which means less disk bandwidth used, which means less time
> to get the data off of a slow disk (especially if you can
> put multiple files you want simultaneously in that same space).
> I'm not convinced that large block sizes are a clear disk performance
> advantage, so we should not neglect the small file sizes.

And the 50% gain in the benchmarks means what? That the device 
manufacturers have to redesign their chips?

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