the current status of nullfs, unionfs

[Mikhail Teterin]

> Nullfs works better than unionfs.  Unionfs worked well in 4.X.
> > What about the `union' option to regular mounts? Is that safe to use?
[...]
> Last I checked, it [mount -ounion -mi] was very broken, but I'm not sure.

BTW, how is unionfs different from nullfs with the union option?

	mount -t nullfs -ounion /a /b
vs.
	mount -t unionfs /a /b

? Thanks!

	-mi