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Re: Versioned FS (Was Re: An Intro)

From: Kevin Pilch-Bisson <kevin_at_pilch-bisson.net>
Date: 2001-01-18 00:48:16 CET

On Wed, Jan 17, 2001 at 09:19:01PM +0100, Branko Čibej wrote:
> Kevin Pilch-Bisson wrote:
>
> >> In general it's a bad idea to try to guess when a change is complete.
> >> Whatever approach you take, it'll be wrong for some tool/use model. The
> >> only safe way I know is to have the user state explicitly when a change
> >> is complete; e.g., use an extended API, say filesystem-specific IOCTLs,
> >> then write a command-line tool on top of those.
> >
> >
> > That is another approach, but I see it as also having problems, mainly
> > that a lot of users wouldn't tend to use it properly.

> True, but "a lot of users" wouldn't need it, either. Using a version
> control system takes some discipline.

Good point
>
> > Maybe allow two
> > modes of operation, i.e. autocommit and manual commit.
>
> Maybe.
>
> > I agree. From what I have heard about VMS, if you just typed 'vi foo.c'
> > you would get the latest rev, but you could also type 'vi foo.c:27' to
> > get rev 27 of foo.c.
>
> Yes, but as I said, a file version in VMS is just an ordinary file, with
> a bit of magic going on for name generation. That's definitely not what
> you want, right?

Right

> > Good to see you like at least _ONE_ of my ideas :)
>
> Oh, I wasn't stomping on your ideas for fun. Just trying to take away
> the pleasure of learning from your own mistakes. :-)

My bad, I was just kidding! If I hadn't wanted my ideas to be discussed
I wouldn't have posted them
>
> I took a few minutes yesterday to ge up to date. Seems that Samba 2.2,
> which will be released RSN, will finally have support for VFS modules
> built in. Except that it doesn't do IOCTLs yet, so that'll have to be
> added if you want to use them. Maybe I'll go ahead and take another hack
> at Samba after all this time, yay! :-)
>
> But: Take a good look at the Subversion sources first, you'll need them
> far more than the Samba bits.

I've done the same, and I agree. The samba part would be pretty
straightforward. I'll keep looking at the subversion stuff, and keep
hanging around this list too.
>

-- 
>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Kevin Pilch-Bisson
kevin@pilch-bisson.net
http://www.pilch-bisson.net

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Received on Sat Oct 21 14:36:19 2006

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