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Date: Tue, 27 Nov 2001 08:42:34 +0100
From: Jens Axboe <axboe@suse.de>
To: Andrew Morton <akpm@zip.com.au>
Cc: "Nathan G. Grennan" <ngrennan@okcforum.org>, linux-kernel@vger.kernel.org
Subject: Re: Unresponiveness of 2.4.16
Message-ID: <20011127084234.V5129@suse.de>
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On Mon, Nov 26 2001, Andrew Morton wrote:
> 2: The current elevator design is downright cruel to humans in
> the presence of heavy write traffic.

max_bomb_segments logic was established to help absolutely _nothing_ a
long time ago.

I agree that the current i/o scheduler has really bad interactive
performance -- at first sight your changes looks mostly like add-on
hacks though. Arjan's priority based scheme is more promising.

-- 
Jens Axboe

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