From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tom Vier <tmv@comcast.net>
Subject: Re: [PATCH] updated reiser4 - reduced cpu usage for writes by writing more than 4k at a time (has implications for generic write code and eventually for the IO layer)
Date: Wed, 24 May 2006 13:53:12 -0400
Message-ID: <20060524175312.GA3579@zero>
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To: Hans Reiser <reiser@namesys.com>
Cc: Linux-Kernel@Vger.Kernel.ORG, Reiserfs developers mail-list <Reiserfs-Dev@namesys.com>, Reiserfs mail-list <Reiserfs-List@namesys.com>

On Tue, May 23, 2006 at 01:14:54PM -0700, Hans Reiser wrote:
> underlying FS can be improved.  Performance results show that the new
> code consumes  40% less CPU when doing "dd bs=1MB ....." (your hardware,
> and whether the data is in cache, may vary this result).  Note that this
> has only a small effect on elapsed time for most hardware.

Write requests in linux are restricted to one page?

-- 
Tom Vier <tmv@comcast.net>
DSA Key ID 0x15741ECE