Re: Online ext4 defragmention

From: Mike Snitzer
Date: Mon Jan 12 2009 - 09:44:37 EST


On 1/12/09, Theodore Tso <tytso@xxxxxxx> wrote:
> On Mon, Jan 12, 2009 at 08:39:33AM -0500, Mike Snitzer wrote:
> >
> > Hi Ted,
> >
> > Could you elaborate on which allocation patches you're referring to in
> > the ext4 patch queue (2.6.28-ext4-3?) ?
>
>
> They haven't been implemented yet. They've been discussed on the ext4
> mailing list, however. Basically, the Orlov algorithm was disabled
> for flex_bg, and I want to optimize how directory blocks are allocated
> to hopefully speed up fsck times a tad bit more. The design has been
> roughly worked out; but it's a matter of me finding time to code and
> test it...

Ah, that ext4 thread is here:
http://kerneltrap.org/mailarchive/linux-ext4/2008/12/12/4403324

Thanks for clarifying,
Mike
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