Detecting new file name after receiving kevent's NOTE_RENAME

[Conrad Meyer]

On Wed, Nov 11, 2015 at 2:56 AM, Konstantin Belousov
<kostikbel at gmail.com> wrote:
> It is up to filesystem to cache or not cache the file name entry.
> If filesystem does not insert the name entry into namecache on rename,
> there is nothing which could help vn_fullpath(9) to return a path.

Besides vn_vptocnp?  I thought vn_fullpath(9) should always succeed
since 10.0 if the vnode still exists.

Best,
Conrad