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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: martin@dalecki.de
Cc: Ingo Molnar <mingo@elte.hu>,
	"Adam J. Richter" <adam@yggdrasil.com>,
	Andries.Brouwer@cwi.nl, johninsd@san.rr.com,
	linux-kernel@vger.kernel.org
Subject: Re: [bug, 2.5.29, IDE] partition table corruption?
Date: Thu, 8 Aug 2002 14:11:00 -0400	[thread overview]
Message-ID: <20020808181100Z315277-685+26763@vger.kernel.org> (raw)
In-Reply-To: <3D5261AD.9000706@evision.ag>

	
	080105@evision.ag>	<1028809830.28883.13.camel@irongate.swansea.linux.org.uk>
	 <3D525489.3050209@evision.ag>
	<1028813033.28882.37.camel@irongate.swansea.linux.org.uk> 
	<3D5261AD.9000706@evision.ag>
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Date: 08 Aug 2002 20:34:07 +0100
Message-Id: <1028835247.28882.50.camel@irongate.swansea.linux.org.uk>
Mime-Version: 1.0

On Thu, 2002-08-08 at 13:18, Marcin Dalecki wrote:
> I say it n-th time already dd if=/dev/hda of=/dev/hdb should give
> a prefect sector by sector disk clone.

The specific case of the hack for EZdisk I have no issue with the
general problem I do

> The bugs should be fixed in lilo and not worked around in the kernel.
> We have the goal (and in fact obligation for scalability issues) to move
> partition scanning out of the kernel space.

Partition handling doesn't show up in any scalability benchmarks. Show
me an IBM 8 way with partition reading showing up in lockmeter
 
> Did you ever bother looking the the function in question?
Yes

> Did you ever look at the missordered code in lilo I cited here?

Did you ever think that it 
 
> It did contain 'heuristics" which stopped to annoy people just becouse
> many have developed the immediate reflex of always adding the linear
> parameter during lilo configuration already a very very long time ago
> becouse anything else doesn't make much sense and disks have passed the 
> 512MB or even 4G barrier quite a time ago.

So fix the heuristics to the official algorithm. Thats a good thing to
do and test in a development kernel tree.

And btw lots of people still use < 512Mb and < 4G disks. No doubt you'd
prefer your kernel only ran on a pentiumII or higher

Alan


  reply	other threads:[~2002-08-08 18:11 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-08-08  9:08 Adam J. Richter
2002-08-08  9:24 ` Marcin Dalecki
2002-08-08  9:31   ` Ingo Molnar
2002-08-08  9:34     ` Marcin Dalecki
2002-08-08 10:01       ` Ingo Molnar
2002-08-08 11:45         ` Andries Brouwer
2002-08-08 12:30       ` Alan Cox
2002-08-08 11:22         ` Marcin Dalecki
2002-08-08 13:23           ` Alan Cox
2002-08-08 12:18             ` Marcin Dalecki
2002-08-08 18:11               ` Alan Cox [this message]
2002-08-09  0:11                 ` Thunder from the hill
2002-08-09  6:27                   ` Marcin Dalecki
     [not found]     ` <3D523B25.5 <20020808181100Z315277-685+26763@vger.kernel.org>
2002-08-09  6:25       ` Marcin Dalecki
  -- strict thread matches above, loose matches on Subject: below --
2002-08-08 18:22 Andries.Brouwer
2002-08-08 22:36 ` John Coffman
2002-08-09  6:06   ` H. Peter Anvin
2002-08-08 12:29 Andries.Brouwer
2002-08-07 18:43 Andries.Brouwer
2002-08-08  7:46 ` Marcin Dalecki
2002-08-06 22:27 Andries.Brouwer
2002-08-07 17:46 ` Ingo Molnar
2002-08-07 17:51   ` Ingo Molnar
2002-08-01 13:45 Ingo Molnar
2002-08-01 13:48 ` Marcin Dalecki
2002-08-01 16:16   ` Alan Cox
2002-08-01 15:02     ` Marcin Dalecki
2002-08-01 15:12 ` Alan Cox

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