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Date: Sat, 1 Dec 2001 00:26:31 -0800
From: Mike Fedyk <mfedyk@matchmail.com>
To: Andrew Morton <akpm@zip.com.au>
Cc: war <war@starband.net>, linux-kernel@vger.kernel.org
Subject: Re: Is it normal for freezing while...
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On Fri, Nov 30, 2001 at 10:16:58PM -0800, Andrew Morton wrote:
> Being a cautious chap, I think I'll submit that patch, with
> the default setting to "off", so there is no change to default
> kernel behaviour.   Then people can run `elvtune -b' to enable it.
> 

Hmm...

mikef-linux:/home/mfedyk# elvtune /dev/hda

/dev/hda elevator ID            0
        read_latency:           8192
        write_latency:          16384
        max_bomb_segments:      0

mikef-linux:/home/mfedyk# elvtune -b 2 /dev/hda

/dev/hda elevator ID            0
        read_latency:           8192
        write_latency:          16384
        max_bomb_segments:      0

mikef-linux:/home/mfedyk# elvtune -b 1000 /dev/hda

/dev/hda elevator ID            0
        read_latency:           8192
        write_latency:          16384
        max_bomb_segments:      0

mikef-linux:/home/mfedyk# elvtune -b 1000 /dev/hdc

/dev/hdc elevator ID            1
        read_latency:           8192
        write_latency:          16384
        max_bomb_segments:      0


mikef-linux:/home/mfedyk# uname -r
2.4.17-pre2

What's wrong?
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