linux-kernel - Re: BTRFS partition usage...

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Message-Id: <20080212.170914.58659870.davem@davemloft.net>
Date:	Tue, 12 Feb 2008 17:09:14 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	jengelh@...putergmbh.de
Cc:	chris.mason@...cle.com, linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, btrfs-devel@....oracle.com
Subject: Re: BTRFS partition usage...

From: Jan Engelhardt <jengelh@...putergmbh.de>
Date: Wed, 13 Feb 2008 00:42:56 +0100 (CET)

> 
> On Feb 12 2008 15:38, David Miller wrote:
> >
> >> I still don't like the idea of btrfs trying to be smarter than a user
> >> who can partition up his system according to
> >> 	(a) his likes
> >> 	(b) system or hardware requirements or recommendations
> >> to align the superblock to a specific location.
> >
> >All of your beliefs are unfortunately without the understanding
> >of restrictions that exist in several partition layouts such
> >as the Sun disk label one.
> 
> (Time for Sun to switch!)

You can go update every sparc machine's firmware then, you
can't boot off of a device that doesn't use a sun disk
label.

Your expectations are unrealistic, and it's just simpler to
do something sane and follow the majority of existing practice
by putting the superblock a few blocks into the partition.
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