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From: David du Colombier <0intro@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] FS for sharing between Linux and Plan 9
Date: Fri,  4 Nov 2011 23:53:37 +0100	[thread overview]
Message-ID: <20111104235337.070d2ba7@zinc.9fans.fr> (raw)
In-Reply-To: <CADSkJJWoXj7=k4m=y+h4dK1CyvVNwtvdqf_3-7aGV4AHAYazdg@mail.gmail.com>

> > Hm.  It looks like I might have been wrong about that.  Digging a
> > little deeper, it seems like plan9port doesn't have any fdisk,
> > prep, or fossil. Is that correct?  (And if so, why?)  I know that
> > Linux doesn't have any kernel-level support for Plan 9 partitions
> > or the fossil file system. But can't that stuff be done in
> > userspace, too?
> 
> You can port it if you want.  Plan9port tries to integrate well with
> the host operating system.  Part of that means using the same
> file tree, and the host OS cannot talk to fossil.
> 
> There is disk code that knows how to read Plan 9 partition tables.
> The venti server uses it to let you write /dev/sdC0:arenas.

I started a port of Fossil to plan9port few months ago.

It seems to be working fine, but:

 - the console doesn't work,
 - it doesn't handle Plan 9 partitions tables,
 - I haven't wrote the manuals.

I hope to fix all of these problems in the future. The lack of
console is obviously a big issue.

Beware this is not exactly the Plan 9 Fossil. This is the modified
Fossil I use on Plan 9. This Fossil is based on libventi and
libthread, instead of liboventi.
This is why liboventi haven't been ported.

I considered it is too experimental to be submitted to plan9port,
but the patches are available online:

 - [1] fossil-plan9: import Fossil from Plan 9,
 - [2] fossil-new: modified Fossil,
 - [3] fossil-new-p9p: required plan9port changes on Fossil.

However, I recently submitted two needed patches to libventi:

 - [4] libventi-redial: add redial and reconn functions,
 - [5] libventi-noarchive: add VtEntryNoArchive.

These two patches add features, currently part of liboventi,
missing from libventi, but useful to Fossil.

[1] http://www.9legacy.org/p9p/patch/fossil-plan9.diff
[2] http://www.9legacy.org/p9p/patch/fossil-new.diff
[3] http://www.9legacy.org/p9p/patch/fossil-new-p9p.diff
[4] http://codereview.appspot.com/download/issue5325046_1.diff
[5] http://codereview.appspot.com/download/issue5298088_1.diff

If you want to contribute, I will be happy to receive patches
and bug reports.

-- 
David du Colombier



  reply	other threads:[~2011-11-04 22:53 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-10-30 22:30 Jeremy Jackins
2011-10-31  1:03 ` smiley
2011-10-31  1:35   ` andrey mirtchovski
2011-10-31  5:51   ` Jeremy Jackins
2011-11-04 20:50   ` smiley
2011-11-04 20:57     ` Russ Cox
2011-11-04 22:53       ` David du Colombier [this message]
2011-11-05 20:32         ` smiley
2011-11-05 22:56           ` David du Colombier
2011-11-07 17:09             ` David du Colombier

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