linux-ext4 - Re: Ext4 devel interlock meeting minutes (March 7, 2007)

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Date:	Sun, 11 Mar 2007 14:25:41 +0530
From:	"Aneesh Kumar" <aneesh.kumar@...il.com>
To:	"Andreas Dilger" <adilger@...sterfs.com>
Cc:	"Avantika Mathur" <mathur@...ux.vnet.ibm.com>,
	linux-ext4@...r.kernel.org
Subject: Re: Ext4 devel interlock meeting minutes (March 7, 2007)

On 3/9/07, Andreas Dilger <adilger@...sterfs.com> wrote:
> On Mar 08, 2007  10:06 -0800, Avantika Mathur wrote:
> >
>
> > - Aneesh Veetil has been working on a migration tool from block based to
> > extents allocation. He is looking at two options.
> >
> >    - Offline Migration: Modify e2fsprogs code to actually be able to create
> >    extents. This involves a lot of duplication of ext4 code (btree).
> >    e2fsprogs has code for interpreting extents, but code for creating them
> >    would have to be duplicated.
> >
> >    - Online Migration: Use existing filesystem code to convert to extents -
> >    similar to online defragmentation.
>
> I would prefer to implement this using the same code as the online defrag.
> To be useful, the online defrag has to work with block-mapped files anyways.

Is there a tree (git or hg ) which i can use to get a working online defrag ?

-aneesh
-
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