David Laight <david@l8s.co.uk> writes:

> It is a NetBSD extension and will only be valid for certain file
> system types.  As such it is probably better (IMHO) that it isn't
> described.

I disagree. It should be documented as a NetBSD extension that is only
valid for certain file systems. Otherwise people will just start using
it, because it looks useful to them.

/Johan