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Re: Unionfs, looking up links and translators

From: Thomas Bushnell, BSG
Subject: Re: Unionfs, looking up links and translators
Date: 20 Dec 2002 15:08:43 -0800
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.2

Moritz Schulte <moritz@duesseldorf.ccc.de> writes:

> After I did the O_NOTRANS lookup in unionfs, I check if the resulting
> node is the same as the one returned by netfs_startup.  If it is, I
> return ELOOP to make it impossible to reach the unionfs inside of the
> unionfs again, which would lead to infinite recursion.  If it is not,
> the lookup process continues (i.e.: returning retry information to the
> user).

That's actually not a problem, because each walk through the union fs
requires a retry.  The library is supposed to keep track of how many
retries it gets, and handle ELOOP itself.

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