Michael Haggerty <mhag...@alum.mit.edu> writes:

> This patch series has the side effect that all of the directories
> listed in GIT_CEILING_DIRECTORIES are accessed *unconditionally* to
> resolve any symlinks that are present in their paths.  It is
> admittedly odd that a feature intended to avoid accessing expensive
> directories would now *intentionally* access directories near the
> expensive ones.  In the above scenario this shouldn't be a problem,
> because /home would be the directory listed in
> GIT_CEILING_DIRECTORIES, and accessing /home itself shouldn't be
> expensive.

Interesting observation.  In the last sentence, "accessing /home"
does not exactly mean accessing /home, but accessing / to learn
about "home" in it, no?

> But there might be other scenarios for which this patch
> series causes a performance regression.

Yeah, after merging this to 'next', we should ask people who care
about CEILING to test it sufficiently.

Thanks for rerolling.
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