From: Pavel Machek <pavel@ucw.cz>
To: Bob Copeland <me@bobcopeland.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH 0/7] OMFS filesystem version 3
Date: Sun, 13 Apr 2008 12:00:22 +0200 [thread overview]
Message-ID: <20080413100022.GB4639@ucw.cz> (raw)
In-Reply-To: <20080413033344.GA27494@hash.localnet>
Hi!
> Uncached lookups in particular are very slow because directories are
> essentially a huge hash table. You might have to seek through several
> siblings in a bucket to get to the target file.
>
> They seem to have designed for online recovery with checksumming and
> mirroring of every FS object. This module updates these, but it does
> not do any online checking/repair. I have written an mkfs/fsck, though.
This is actually quite interesting. Checksuming filesystem sounds
pretty useful.
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2008-04-13 10:00 UTC|newest]
Thread overview: 92+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-12 22:58 [PATCH 0/7] OMFS filesystem version 3 Bob Copeland
2008-04-13 0:03 ` Andrew Morton
2008-04-13 3:33 ` Bob Copeland
2008-04-13 3:55 ` Andrew Morton
2008-04-13 4:41 ` Bob Copeland
2008-04-13 8:01 ` Christoph Hellwig
2008-04-13 8:20 ` Andrew Morton
2008-04-13 8:28 ` Christoph Hellwig
2008-04-13 10:37 ` Miklos Szeredi
2008-04-13 21:15 ` David Woodhouse
2008-04-13 22:44 ` Andrew Morton
2008-04-13 22:49 ` Alan Cox
2008-04-13 23:10 ` Andrew Morton
2008-04-14 1:32 ` Bob Copeland
2008-04-14 5:48 ` Andrew Morton
2008-04-14 8:16 ` Alan Cox
2008-04-14 8:36 ` Andrew Morton
2008-04-14 8:41 ` Christoph Hellwig
2008-04-14 14:20 ` Chris Mason
2008-04-14 16:36 ` Bob Copeland
2008-04-14 16:51 ` Alan Cox
2008-04-14 17:18 ` Bob Copeland
2008-04-14 17:22 ` Alan Cox
2008-04-14 20:29 ` david
2008-04-18 13:13 ` Szabolcs Szakacsits
2008-04-14 20:55 ` Jeff Garzik
2008-04-14 21:11 ` Andrew Morton
2008-04-14 22:32 ` Evgeniy Polyakov
2008-04-14 23:21 ` Andrew Morton
2008-04-14 23:09 ` SL Baur
2008-04-14 23:24 ` Andrew Morton
2008-04-14 8:30 ` Xavier Bestel
2008-04-14 8:43 ` Christoph Hellwig
2008-04-14 8:44 ` Andrew Morton
2008-04-14 9:08 ` Christoph Hellwig
2008-04-14 9:09 ` Christoph Hellwig
2008-04-14 9:21 ` Andrew Morton
2008-04-14 10:09 ` David Woodhouse
2008-04-14 10:22 ` Andrew Morton
2008-04-14 10:36 ` David Woodhouse
2008-04-14 11:16 ` Christoph Hellwig
2008-04-15 15:16 ` Adrian Bunk
2008-04-15 16:57 ` Christoph Hellwig
2008-04-15 18:34 ` Andrew Morton
2008-04-15 18:53 ` Alan Cox
2008-04-15 20:02 ` Andrew Morton
2008-04-15 19:58 ` Alan Cox
2008-04-15 21:46 ` david m. richter
2008-04-15 19:24 ` Adrian Bunk
2008-04-15 20:11 ` Andrew Morton
2008-04-15 20:27 ` Adrian Bunk
2008-04-14 7:25 ` Miklos Szeredi
2008-04-14 7:49 ` Andrew Morton
2008-04-14 8:11 ` Miklos Szeredi
2008-04-14 8:11 ` Anton Altaparmakov
2008-04-14 8:26 ` Miklos Szeredi
2008-04-14 9:42 ` Jamie Lokier
2008-04-14 9:58 ` Miklos Szeredi
2008-04-14 11:05 ` David Woodhouse
2008-04-14 12:50 ` Miklos Szeredi
2008-04-14 11:55 ` Jamie Lokier
2008-04-14 11:57 ` Christoph Hellwig
2008-04-14 12:26 ` Miklos Szeredi
2008-04-14 22:35 ` Jamie Lokier
2008-04-15 11:33 ` Miklos Szeredi
2008-04-15 15:23 ` Jamie Lokier
2008-04-17 1:08 ` Szabolcs Szakacsits
2008-04-17 6:50 ` Jamie Lokier
2008-04-17 8:17 ` Miklos Szeredi
2008-04-14 0:45 ` Bob Copeland
2008-04-14 7:35 ` Miklos Szeredi
2008-04-18 10:30 ` Szabolcs Szakacsits
2008-04-18 11:52 ` Jamie Lokier
2008-04-18 12:20 ` Miklos Szeredi
2008-04-18 12:57 ` Jamie Lokier
2008-04-18 16:01 ` Miklos Szeredi
2008-04-18 16:15 ` Jamie Lokier
2008-04-18 13:51 ` Bob Copeland
2008-04-18 14:23 ` Miklos Szeredi
2008-04-18 14:43 ` Bob Copeland
2008-04-18 17:35 ` Szabolcs Szakacsits
2008-04-18 17:48 ` Bob Copeland
2008-04-18 12:46 ` Szabolcs Szakacsits
2008-04-13 9:04 ` Alan Cox
2008-04-13 10:00 ` Pavel Machek [this message]
2008-04-15 3:14 ` Erez Zadok
[not found] <14725485.776281208170999085.JavaMail.szaka@kolumbus.fi>
2008-04-14 12:46 ` Szabolcs Szakacsits
2008-04-14 13:15 ` Anton Altaparmakov
2008-04-14 16:12 ` Szabolcs Szakacsits
[not found] <10224488.783261208172602425.JavaMail.szaka@kolumbus.fi>
2008-04-15 0:11 ` Szabolcs Szakacsits
2008-04-15 15:05 ` Adrian Bunk
[not found] <aiwLk-3mc-3@gated-at.bofh.it>
[not found] ` <aiwLk-3mc-5@gated-at.bofh.it>
[not found] ` <aiwLk-3mc-1@gated-at.bofh.it>
2008-04-16 9:56 ` Bodo Eggert
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