Albert D. Cahalan writes:
> Pavel Machek writes:
> > [somebody, likely Hans Reiser]
>
> >> Jeremy wants in the FS what he can get with Microsoft streams and
> >> Macintosh forks. That is, he wants to be able to name an object, and
> >> read it, and get something, and he wants to be able to add something
> >> that goes into that object, and stays with it when the object gets moved.
> >> He wants this because he is a Samba author, and it will make his life a
> >> lot easier to have it when Windows 2000 comes out.
> >
> > Oops. Should not he do it himself? This will make samba non-portable
> > and what is worse samba will not run on ext2.
>
> There are several answers to that...
>
> Samba remains portable, minus Windows 2000 emulation.
> It is easy to enhance ext2 in the same way.
> If ext2 and BSD don't evolve, they die. Problem?
>
> >> Next files need to be able to inherit stat data, so that a file can
> >> share its modification time with its parent directory, so that modifying
> >> the file changes the mod time on the directory.
> >
> > Is sharing modtime this critical? I can see samba asking for both
> > times and then just exporting the newer one :-).
>
> Not "both" but "all 2042". That would kill performance.
> With tiny little (sub-)files, the stat data starts to take up
> a significant chunk of space.
>
> There is also a correctness issue. This reminds me of the bugs
> in Linux threads. We don't really define the larger container,
> so the little bits (threads or sub-files) get out of sync.
>
> > This should be done in userspace. Editing /etc/passwd is certainly not
> > performance critical so podfuk is just the right
> > answer. (http://atrey.karlin.mff.cuni.cz/~pavel/podfuk/podfuk.html).
>
> I hope you realize that "podfuk" will not be very successful in the US.
> The sound of "podfuk" brings to mind sexual activity with vegatables.
> Businesses in the US are very concerned about sexual harassment lawsuits.
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