linux-kernel - Re: [PATCH 0/7] OMFS filesystem version 3

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Message-ID: <20080413100022.GB4639@ucw.cz>
Date:	Sun, 13 Apr 2008 12:00:22 +0200
From:	Pavel Machek <pavel@....cz>
To:	Bob Copeland <me@...copeland.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH 0/7] OMFS filesystem version 3

Hi!

> Uncached lookups in particular are very slow because directories are 
> essentially a huge hash table.  You might have to seek through several 
> siblings in a bucket to get to the target file.
> 
> They seem to have designed for online recovery with checksumming and
> mirroring of every FS object.  This module updates these, but it does
> not do any online checking/repair.  I have written an mkfs/fsck, though.

This is actually quite interesting. Checksuming filesystem sounds
pretty useful.

-- 
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(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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