From: Andreas Dilger <adilger@turbolinux.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Alexander Viro <viro@math.psu.edu>, Chris Wedgwood <cw@f00f.org>,
Andrea Arcangeli <andrea@suse.de>, Jens Axboe <axboe@suse.de>,
Rogier Wolff <R.E.Wolff@bitwizard.nl>,
Linus Torvalds <torvalds@transmeta.com>,
volodya@mindspring.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] SMP race in ext2 - metadata corruption.
Date: Sun, 6 May 2001 13:46:46 -0600 (MDT) [thread overview]
Message-ID: <200105061946.f46JkkFr026005@webber.adilger.int> (raw)
In-Reply-To: <E14wNwy-00022t-00@the-village.bc.nu> "from Alan Cox at May 6, 2001 01:47:47 pm"
Alan writes:
> > an interesting task when your root lives on /dev/sda1. Ditto for destroying
> > a single partition (not mounted/used by swap/etc.) while you have some
> > other partition in use. IWBNI we had a decent API for handling partition
> > tables...
>
> Partitions are just very crude logical volumes, and ultimiately I believe
> should be handled exactly that way
Actually, the EVMS project does exactly this. All I/O is done on a full
disk basis, and essentially does block remapping for each partition. This
also solves the problem of cache inconsistency if accessing the parent
device vs. accessing the partition.
Cheers, Andreas
--
Andreas Dilger \ "If a man ate a pound of pasta and a pound of antipasto,
\ would they cancel out, leaving him still hungry?"
http://www-mddsp.enel.ucalgary.ca/People/adilger/ -- Dogbert
next prev parent reply other threads:[~2001-05-06 19:49 UTC|newest]
Thread overview: 90+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-04-26 15:45 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
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 [this message]
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 21:11 ` Alan Cox
2001-05-04 21:50 ` Linus Torvalds
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
2001-04-26 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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