Following up by myself...

enami tsugutomo <enami@ba2.so-net.or.jp> writes:

> Since kernel is passing a process's user credential when writing the
> file, then, I'm now wondering why write successes in case of the file
> is on the ffs...

Hmm, since nfs is stateless, authentecation is needed with each
transaction, but is done only when opening file if ffs.

I changed the patch to keep credential when accounting file opend and
use it when writing to it.

enami.