Re: RFC: checking file systems support UF_HIDDEN, UF_SYSTEM

> Note that, for a NFSv4 client mount, support for hidden/system could
> change somewhere in
> the mounted server tree, since for NFSv4 the tree can consist of multiple file
> systems of different types. For example:
> If an ext2 fs was mounted under a ufs file system, the hidden/system support
> would go away when the mount point is crossed into the ext2 subtree.
> 
> So, I think pathconf is the best way to go (and avoids using up flag bits).

That's a compelling reason.  Consequence is that pathconf() must then be used on the directory where hidden/system files could be created/expected, and not the mount's root directory.

Regards.

-- 
Olivier Certner