freeBSD nullfs together with nfs and "silly rename"

[Rick Macklem]

On Sat, 12 Jun 2010, Kostik Belousov wrote:

>
> Yes, I hoped that Mikolaj ends up with something similar :). Please note
> that this is racy, since we cannot know why usecount is greater then 1.
> This might cause the silly rename to kick in some time where it should
> not, but the race is rare.
>
I'd say that having silly rename happen once in a while for unlink when
it doesn't have to happen is better than having the file deleted on the
server while it is still open on the client.

rick