From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: BTRFS partition usage... Date: Tue, 12 Feb 2008 17:09:14 -0800 (PST) Message-ID: <20080212.170914.58659870.davem@davemloft.net> References: <20080212.153836.166202106.davem@davemloft.net> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: chris.mason@oracle.com, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, btrfs-devel@oss.oracle.com To: jengelh@computergmbh.de Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:59849 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1752288AbYBMBIm (ORCPT ); Tue, 12 Feb 2008 20:08:42 -0500 In-Reply-To: Sender: linux-fsdevel-owner@vger.kernel.org List-ID: From: Jan Engelhardt 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.