Re: ShadowFS (status)

[Neal H Walfield]

> > > Perhaps the shadowfs should get out of the game and return a real port
> > > as soon as there is a single matching directory?
> > 
> > A nice idea.  Note that there are two cases, the lookup on the directory and
> > the lookup below the directory.  In the first case, you return a port to the
> > directory, in the second you provide a retry port to glibc.
> > If you decide to do either, you are cutting off the possibility that tan
> > application becomes aware of files created in other shadowed filesystems
> > afterwards.
> 
> That is, if it is a directory below such a directory that is looked up.  If
> it is a file, it doesn't matter.
> 
> Also an interesting case: One underlying fs provides a file x, and one a
> directory x.  What do you do?

Let us take a look at what others have done.  E.g.:

 - http://www.cs.helsinki.fi/linux/linux-kernel/Year-2000/2000-23/0791.html

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