From: Andreas Dilger <adilger@clusterfs.com>
To: "Albert D. Cahalan" <acahalan@cs.uml.edu>
Cc: "Alexis S. L. Carvalho" <alexis@cecm.usp.br>,
linux-kernel@vger.kernel.org
Subject: Re: implementing soft-updates
Date: Tue, 9 Apr 2002 20:55:04 -0600 [thread overview]
Message-ID: <20020410025504.GD424@turbolinux.com> (raw)
In-Reply-To: <20020409184605.A13621@cecm.usp.br> <200204100041.g3A0fSj00928@saturn.cs.uml.edu>
On Apr 09, 2002 20:41 -0400, Albert D. Cahalan wrote:
> In case you are still thinking about what to do, here are a
> few filesystem ideas that you might like:
>
> ext2 compression (e2compr)
- project needs polishing, integration
> delayed allocation (allocate space only when about to do IO)
- Andrew Morton has done this for 2.5
> while rw mounted: defrag, undelete (not trash bin), grow, shrink, fsck
- Andrew Morton has implemented for ext3 (kernel space, needs user tool)
> make ext2 extents work
- yes, discussion ongoing on ext2-devel, no real progress yet
> make ext2 handle huge block sizes
- kernel issues w.r.t. buffers > PAGE_SIZE
> mark idle filesystems clean; mark dirty before non-atomic updates
- maybe marginally useful
> tools for in-place filesystem conversion (ufs --> ext2)
- existing project
> try larger inodes (example: 168-byte, 3 in 512 bytes, 0,1,2,x,4,5,6,x,8...)
- discussion ongoing on ext2-devel with some good progress
Cheers, Andreas
--
Andreas Dilger
http://www-mddsp.enel.ucalgary.ca/People/adilger/
http://sourceforge.net/projects/ext2resize/
next prev parent reply other threads:[~2002-04-10 2:57 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-09 21:46 implementing soft-updates Alexis S. L. Carvalho
2002-04-09 22:17 ` Mike Fedyk
2002-04-09 22:23 ` Dominik Kubla
2002-04-09 23:36 ` Mike Fedyk
2002-04-10 0:41 ` Albert D. Cahalan
2002-04-10 1:58 ` Alexis S. L. Carvalho
2002-04-10 3:46 ` Andreas Dilger
2002-04-10 2:55 ` Andreas Dilger [this message]
2002-04-10 11:48 ` Peter Wächtler
2002-04-11 12:45 ` Bill Davidsen
2002-04-10 9:28 ` Dominik Kubla
2002-04-10 18:07 ` Albert D. Cahalan
2002-04-08 20:34 ` Pavel Machek
2002-04-10 18:13 ` Andreas Dilger
[not found] <20020409184605.A13621@cecm.usp.br.suse.lists.linux.kernel>
[not found] ` <200204100041.g3A0fSj00928@saturn.cs.uml.edu.suse.lists.linux.kernel>
[not found] ` <20020410092807.GA4015@duron.intern.kubla.de.suse.lists.linux.kernel>
2002-04-10 19:24 ` Andi Kleen
2002-04-08 20:35 ` Pavel Machek
2002-04-15 20:25 ` Andi Kleen
2002-04-15 20:47 ` Andreas Dilger
2002-04-16 10:45 ` Wichert Akkerman
2002-04-16 18:55 ` Mike Fedyk
-- strict thread matches above, loose matches on Subject: below --
2002-04-11 16:35 James Bottomley
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