On Mon, Jul 26, 2010 at 12:21:53PM -0600, Theo de Raadt wrote:
quoted text
> There is no readlabelfs() for NFS filesystems.  You are being too
> specific in saying how it works.

In the case of an NFS filesystem, mount(8) just checks whether the
"special" string contains a ":" or "@" character.  So, the diff is
literally correct: "mount(8) attempts to guess a file system type using
special and readlabelfs(3)."