Very nice, thanks.
> Oh. And a final comment - I really don't think the above is necessarily
> a good idea. A lot of applications do more readdir() calls than they
> ever do lookups, and you might make readdir() slower by doing the dentry
> allocation with not enough gain at lookup time.
Indeed. It's only on very large directories that the lookup time is
important, because of the quadratic growth in search time. Perhaps a
heuristic is worth a look.
-- Jamie
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