From: Jeff Garzik <jeff@garzik.org>
To: Jan Kara <jack@suse.cz>
Cc: linux-fsdevel@vger.kernel.org
Subject: Re: [RFC] Ext3 online defrag
Date: Tue, 24 Oct 2006 00:13:06 -0400 [thread overview]
Message-ID: <20061024041306.GA12506@havoc.gtf.org> (raw)
In-Reply-To: <20061023122710.GA12034@atrey.karlin.mff.cuni.cz>
On Mon, Oct 23, 2006 at 02:27:10PM +0200, Jan Kara wrote:
> I've written a simple patch implementing ext3 ioctl for file
> relocation. Basically you call ioctl on a file, give it list of blocks
> and it relocates the file into given blocks (provided they are still
> free). The idea is to use it as a kernel part of ext3 online
> defragmenter (or generally disk access optimizer). Now I don't have the
> user space part that finds larger runs of free blocks and so on so that
> it can really be used as a defragmenter. I just send this as a kind of
> proof-of-concept to hear some comments. Attached is also a simple
> program that demonstrates the use of the ioctl.
Note that the ext2meta interface was developed precisely for
that purpose. I would suggest using that, it's far better than an
ioctl-based solution.
Jeff
next prev parent reply other threads:[~2006-10-24 4:13 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20061023122710.GA12034@atrey.karlin.mff.cuni.cz>
2006-10-23 14:16 ` [RFC] Ext3 online defrag Theodore Tso
2006-10-23 14:31 ` Alex Tomas
2006-10-23 14:48 ` Andreas Dilger
2006-10-23 14:55 ` Jan Kara
2006-10-23 14:51 ` Jan Kara
2006-10-23 15:01 ` Eric Sandeen
2006-10-24 4:14 ` Jeff Garzik
2006-10-24 13:59 ` David Chinner
2006-10-24 14:51 ` Dave Kleikamp
2006-10-24 16:01 ` David Chinner
2006-10-24 16:26 ` Dave Kleikamp
2006-10-25 1:18 ` David Chinner
2006-10-25 2:30 ` Barry Naujok
2006-10-25 2:42 ` Jeff Garzik
2006-10-25 4:27 ` David Chinner
2006-10-25 4:48 ` Jeff Garzik
2006-10-25 5:38 ` David Chinner
2006-10-25 6:01 ` Jeff Garzik
2006-10-25 8:11 ` David Chinner
2006-10-25 17:00 ` Jeff Garzik
2006-10-26 1:40 ` David Chinner
2006-10-26 3:33 ` Theodore Tso
2006-10-26 6:36 ` David Chinner
2006-10-26 13:37 ` Theodore Tso
2006-10-26 14:40 ` Dave Kleikamp
2006-10-26 11:37 ` Jan Kara
2006-10-27 1:32 ` David Chinner
2006-10-24 14:52 ` Eric Sandeen
2006-10-24 19:44 ` Theodore Tso
2006-10-24 20:31 ` Russell Cattelan
2006-10-24 23:00 ` Andreas Dilger
2006-10-25 14:54 ` Jan Kara
2006-10-25 17:02 ` Jeff Garzik
2006-10-25 17:58 ` Jan Kara
2006-10-25 18:08 ` Jeff Garzik
2006-10-25 18:25 ` Jan Kara
2006-10-25 18:33 ` Jeff Garzik
2006-10-26 9:30 ` Andreas Dilger
2006-10-25 2:09 ` David Chinner
2006-10-23 14:45 ` Jan Kara
2006-10-23 15:14 ` Andreas Dilger
2006-10-23 16:03 ` Jan Kara
2006-10-23 17:29 ` Andreas Dilger
2006-10-25 18:36 ` Jan Kara
2006-10-25 18:41 ` Jeff Garzik
2006-10-26 15:25 ` Jörn Engel
2006-10-24 4:13 ` Jeff Garzik [this message]
2006-10-24 4:21 ` Chris Wedgwood
2006-10-24 10:09 ` Jan Kara
2006-10-27 7:23 sho
2006-10-27 7:44 ` Alex Tomas
2006-10-27 13:53 ` Eric Sandeen
2006-10-27 14:05 ` Alex Tomas
2006-10-27 14:24 ` Eric Sandeen
2006-10-27 14:39 ` Alex Tomas
2006-11-15 9:54 ` Takashi Sato
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