On 2010-02-18, Jaakko Heinonen wrote:
> > namei() returns EISDIR for "/" (due to DELETE and and the special handling
> > of the degenerate case which includes "/" and not much else, else the bug
> > would affect more cases).
>
> This causes a problem also for mkdir(2), rmdir(2) and rename(2). All of
> them incorrectly return EISDIR for "/".
Here is a patch which attempts to fix mkdir(2), rmdir(2), rename(2) and
unlink(2) errno return value for "/".
http://people.freebsd.org/~jh/patches/lookup-root.diff
--
Jaakko
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