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Date: Tue, 18 Jun 2002 17:21:18 +0100
From: Padraig Brady <padraig@antefacto.com>
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To: DervishD <raul@pleyades.net>
CC: Linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: Shrinking ext3 directories
References: <3D0F5AFC.mailGSE111D9L@viadomus.com>
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DervishD wrote:
>     Hi all :))
> 
>     All of you know that if you create a lot of files or directories
> within a directory on ext2/3 and after that you remove them, the
> blocks aren't freed (this is the reason behind the lost+found block
> preallocation). If you want to 'shrink' the directory now that it
> doesn't contain a lot of leafs, the only solution I know is creating
> a new directory, move the remaining leafs to it, remove the
> 'big-unshrinken' directory and after that renaming the new directory:
> 
>     $ mkdir new-dir
>     $ mv bigone/* new-dir/
>     $ rmdir bigone
>     $ mv new-dir bigone
>     (Well, sort of)

The zipdir component of fslint does this (while maintaining permissions
etc.).

>     Any other way of doing the same without the mess?

Not at present I think. Perhaps we'll get it for free with
the new htree directory indexing?

Padraig.

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