[PATCH 2/9] generic/294, afs: Allow for mknod subtest failing if mknod not supported

[Eryu Guan]

On Tue, Jun 01, 2021 at 03:31:52PM +0100, David Howells wrote:
> Eryu Guan <guan at eryu.me> wrote:
> 
> > _require_mknod checks for mknod support by trying to mknod and _notrun
> > the test if mknod fails.
> > 
> > So does afs return any failure like EOPNOTSUPP? If so I think we could
> > refactor _require_mknod into something like
> 
> afs doesn't provide a ->mknod implementation as it doesn't support anything
> you'd create with it, so you get the VFS default in such an instance - which
> would be EPERM.

I think that works too. Currently _require_mknod() doesn't depend on the
errno but just check if mknod succeeds or not.

Thanks,
Eryu