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Re: Cleaning up namei
On Wed, Mar 19, 2008 at 09:48:09PM +0000, David Laight wrote:
> > Emulation becomes easier because you could try "under
> > emulation" then "not under emulation". Doing it all in namei_begin() can
> > make state-keeping challenging.
> I'm not sure that works - you have to be very careful in the way symlinks
> are expanded.
> Although I can't actually remember what I decided the code should do!
> (nor whether I implemented something simpler!)
Yes, I would prefer to keep all the emulroot stuff contained inside
namei. It is, after all, roughly the same as onionfs. :-/
I've noticed, btw, that there's not really a whole lot of consistency
in the use of TRYEMULROOT, and I suspect many of the cases are wrong.
Is there a clear rule for when it is and isn't supposed to be used?
David A. Holland
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