From: Andrzej Krzysztofowicz <kufel!ankry@green.mif.pg.gda.pl>
To: kufel!transmeta.com!torvalds@green.mif.pg.gda.pl (Linus Torvalds)
Cc: kufel!math.psu.edu!viro@green.mif.pg.gda.pl (Alexander Viro),
kufel!suse.de!andrea@green.mif.pg.gda.pl (Andrea Arcangeli),
kufel!lxorguk.ukuu.org.uk!alan@green.mif.pg.gda.pl (Alan Cox),
kufel!vger.kernel.org!linux-kernel@green.mif.pg.gda.pl
Subject: Re: [PATCH] SMP race in ext2 - metadata corruption.
Date: Thu, 26 Apr 2001 23:13:30 +0200 (CEST) [thread overview]
Message-ID: <200104262113.XAA01552@kufel.dom> (raw)
In-Reply-To: <Pine.LNX.4.31.0104261303030.1118-100000@penguin.transmeta.com> from "Linus Torvalds" at kwi 26, 2001 01:08:25
>
> Note that I think all these arguments are fairly bogus. Doing things like
> "dump" on a live filesystem is stupid and dangerous (in my opinion it is
> stupid and dangerous to use "dump" at _all_, but that's a whole 'nother
> discussion in itself), and there really are no valid uses for opening a
> block device that is already mounted. More importantly, I don't think
> anybody actually does.
I know a few people that often do:
dd if=/dev/hda1 of=/dev/hdc1
e2fsck /dev/hdc1
to make an "exact" copy of a currently working system.
Maybe it is stupid, but they do.
Fortunately, their systems are not SMP...
Andrzej
next prev parent reply other threads:[~2001-04-26 21:23 UTC|newest]
Thread overview: 90+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-04-26 15:45 [PATCH] SMP race in ext2 - metadata corruption Alexander Viro
2001-04-26 18:12 ` Andrea Arcangeli
2001-04-26 18:24 ` Alexander Viro
2001-04-26 19:00 ` Chris Mason
2001-04-26 18:49 ` Linus Torvalds
2001-04-26 19:08 ` Alexander Viro
2001-04-26 19:17 ` Alexander Viro
2001-04-26 20:06 ` Andrea Arcangeli
2001-04-26 19:15 ` Andrea Arcangeli
2001-04-26 19:34 ` Alexander Viro
2001-04-26 19:44 ` Andrea Arcangeli
2001-04-26 19:55 ` Alexander Viro
2001-04-26 20:08 ` Linus Torvalds
2001-04-26 20:21 ` Andrea Arcangeli
2001-04-26 20:49 ` Alexander Viro
2001-04-26 21:07 ` Andrea Arcangeli
2001-04-26 23:25 ` Alexander Viro
2001-04-27 0:05 ` Andrea Arcangeli
2001-04-27 0:19 ` Linus Torvalds
2001-04-27 0:35 ` Andrea Arcangeli
2001-04-26 21:13 ` Andrzej Krzysztofowicz [this message]
2001-04-27 18:02 ` LA Walsh
2001-04-27 18:17 ` dek_ml
2001-04-27 7:58 ` Vojtech Pavlik
2001-04-27 13:23 ` Alexander Viro
2001-04-27 14:32 ` Ville Herva
2001-04-27 16:52 ` Linus Torvalds
2001-04-27 19:22 ` Shane Wegner
2001-04-28 4:55 ` Albert D. Cahalan
2001-04-28 10:05 ` Jens Axboe
2001-04-27 14:29 ` Andi Kleen
2001-05-03 6:23 ` volodya
2001-05-03 9:29 ` Alan Cox
2001-05-03 17:21 ` Linus Torvalds
2001-05-04 11:40 ` Rogier Wolff
2001-05-04 11:56 ` Jens Axboe
2001-05-04 15:29 ` Andrea Arcangeli
2001-05-04 17:40 ` Linus Torvalds
2001-05-05 3:18 ` Chris Wedgwood
2001-05-06 0:37 ` Andrea Arcangeli
2001-05-06 2:14 ` Chris Wedgwood
2001-05-06 2:50 ` Andrea Arcangeli
2001-05-06 3:00 ` Chris Wedgwood
2001-05-06 3:15 ` Alexander Viro
2001-05-06 3:32 ` Chris Wedgwood
2001-05-06 3:59 ` Alexander Viro
2001-05-06 12:47 ` Alan Cox
2001-05-06 19:46 ` Andreas Dilger
2001-05-06 20:58 ` Alan Cox
2001-05-07 4:08 ` Andreas Dilger
2001-05-07 18:42 ` Pavel Machek
2001-05-11 14:54 ` Daniel Phillips
2001-05-18 14:46 ` Stephen C. Tweedie
2001-05-11 20:00 ` Alexander Viro
2001-05-06 3:38 ` Andreas Dilger
2001-05-06 3:51 ` Andrea Arcangeli
2001-05-04 12:15 ` Marc SCHAEFER
2001-05-04 17:28 ` Linus Torvalds
2001-05-04 17:39 ` Alexander Viro
2001-05-04 17:55 ` Linus Torvalds
2001-05-04 18:29 ` Alexander Viro
2001-05-04 19:13 ` Linus Torvalds
2001-05-05 11:20 ` Albert D. Cahalan
2001-05-05 17:11 ` Alexander Viro
2001-05-04 18:20 ` Richard Gooch
2001-05-04 18:35 ` Alexander Viro
2001-05-04 18:49 ` Richard Gooch
2001-05-04 19:15 ` Alexander Viro
2001-05-04 19:36 ` Richard Gooch
2001-05-04 19:58 ` Alexander Viro
2001-05-04 20:04 ` Richard Gooch
2001-05-04 19:04 ` Jens Axboe
2001-05-05 13:52 ` Rogier Wolff
2001-05-05 18:12 ` Richard Gooch
2001-05-08 13:46 ` volodya
2001-05-09 10:30 ` Helge Hafting
2001-05-04 21:11 ` Alan Cox
2001-05-04 21:50 ` Linus Torvalds
2001-04-26 20:11 ` Andrea Arcangeli
2001-04-26 20:14 ` Andrea Arcangeli
2001-04-26 20:26 ` Linus Torvalds
2001-04-26 21:16 ` Andrea Arcangeli
2001-04-26 20:42 ` Richard B. Johnson
2001-04-26 20:55 ` Alexander Viro
2001-04-27 11:43 ` Richard B. Johnson
2001-04-26 19:39 ` Andrea Arcangeli
[not found] <Pine.LNX.4.21.0104270953280.2067-100000@penguin.transmeta.com>
2001-04-27 17:36 ` Jeff Garzik
[not found] ` <3AE9A69B.D11F0BBD@evision-ventures.com>
2001-04-28 8:31 ` Matthias Urlichs
2001-04-28 13:20 ` Olaf Titz
2001-04-30 8:47 ` Neil Conway
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