From: Daniel Phillips <phillips@bonn-fries.net>
To: "Ph. Marek" <marek@bmlv.gv.at>, Rik van Riel <riel@conectiva.com.br>
Cc: <linux-kernel@vger.kernel.org>
Subject: Re: Ideas for TUX2
Date: Wed, 4 Jul 2001 08:54:24 +0200 [thread overview]
Message-ID: <01070408542401.03760@starship> (raw)
In-Reply-To: <3.0.6.32.20010703082513.0091f900@pop3.bmlv.gv.at> <3.0.6.32.20010704081621.00921a60@pop3.bmlv.gv.at>
In-Reply-To: <3.0.6.32.20010704081621.00921a60@pop3.bmlv.gv.at>
On Wednesday 04 July 2001 08:16, Ph. Marek wrote:
> >> If a file's data has been changed, it suffices to update the inode and
> >> the of free blocks bitmap (fbb).
> >> But updating them in one go is not possible
> >
> >You seem to have missed some fundamental understanding of
> >exactly how phase tree works; the wohle point of phase
> >tree is to make atomic updates like this possible!
>
> Well, my point was, that with several thousand inodes spread over the disk
> it won't always be possible to update the inode AND the fbb in one go.
> So I proposed the 2nd inode with generation counter!
The cool thing is, it *is* possible, read how here:
http://nl.linux.org/~phillips/tux2/phase.tree.tutorial.html
--
Daniel
next prev parent reply other threads:[~2001-07-04 6:51 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <Pine.LNX.4.33L.0107032042220.28737-100000@imladris.rielhom e.conectiva>
2001-07-03 6:25 ` Ideas for TUX2 Ph. Marek
2001-07-03 23:44 ` Rik van Riel
2001-07-04 6:16 ` Ph. Marek
2001-07-04 6:54 ` Daniel Phillips [this message]
2001-07-04 7:53 ` Ph. Marek
2001-07-04 14:31 ` Daniel Phillips
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