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From: David Miller <davem@davemloft.net>
To: jengelh@computergmbh.de
Cc: chris.mason@oracle.com, linux-kernel@vger.kernel.org,
	linux-fsdevel@vger.kernel.org, btrfs-devel@oss.oracle.com
Subject: Re: BTRFS partition usage...
Date: Tue, 12 Feb 2008 15:28:26 -0800 (PST)	[thread overview]
Message-ID: <20080212.152826.243855481.davem@davemloft.net> (raw)
In-Reply-To: <Pine.LNX.4.64.0802121458420.21102@fbirervta.pbzchgretzou.qr>

From: Jan Engelhardt <jengelh@computergmbh.de>
Date: Tue, 12 Feb 2008 15:00:20 +0100 (CET)

> Something looks wrong here. Why would btrfs need to zero at all?

So that existing superblocks on the partition won't
be interpreted as correct by other filesystems.  It's
a safety measure many mkfs programs use.

> Superblock at 0, and done. Just like xfs.

No, we won't do stupid things like that and make an entire
cylinder of our disks unusable.  See my other reply.


  parent reply	other threads:[~2008-02-12 23:28 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-06 17:00 [ANNOUNCE] Btrfs v0.12 released Chris Mason
2008-02-11  1:12 ` David Miller
2008-02-11 13:42   ` Chris Mason
2008-02-12  6:43     ` David Miller
2008-02-12 13:43       ` Chris Mason
2008-02-12  7:21 ` BTRFS partition usage David Miller
2008-02-12  8:11   ` David Miller
2008-02-12 13:49     ` Chris Mason
2008-02-12 14:00       ` Jan Engelhardt
2008-02-12 14:08         ` Chris Mason
2008-02-12 14:21           ` Jan Engelhardt
2008-02-12 14:35             ` Chris Mason
2008-02-12 15:04               ` Jan Engelhardt
2008-02-12 16:17                 ` Chris Mason
2008-02-12 23:38                 ` David Miller
2008-02-12 23:42                   ` Jan Engelhardt
2008-02-13  1:09                     ` David Miller
2008-02-13  1:22                     ` Rene Herman
2008-02-12 23:35               ` David Miller
2008-02-13  7:02                 ` Christoph Hellwig
2008-02-12 23:34             ` David Miller
2008-02-12 23:33           ` David Miller
2008-02-13  2:10             ` Jeff Garzik
2008-02-14  0:51               ` Szabolcs Szakacsits
2008-02-12 23:26         ` David Miller
2008-02-12 23:39           ` Jan Engelhardt
2008-02-13  1:08             ` David Miller
2008-02-13  1:25           ` Bryan Henderson
2008-02-12 23:28         ` David Miller [this message]
2008-02-13  0:45           ` Theodore Tso
2008-02-12 20:50       ` David Miller
2008-02-12  9:23 ` CRC32C big endian bugs David Miller
2008-02-12 21:55 ` BTRFS only works with PAGE_SIZE <= 4K David Miller
2008-02-12 22:03   ` Chris Mason

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