Re: [PATCH] Add test case for O_TMPFILE handling in open, openat

[Florian Weimer <fweimer at redhat dot com>]

On 09/20/2016 09:26 PM, Carlos O'Donell wrote:
> On 09/20/2016 02:51 PM, Florian Weimer wrote:
> > I noticed that we do not seem to have a test case for O_TMPFILE
> > handling.
> >
> > I have tested the attached patch with recent kernels and Red Hat's
> > 3.10 kernels (where it prints UNSUPPORTED).  I verified that
> > probe_path works as intended with a vfat file system (which does not
> > support O_TMPFILE even on a supported kernel).
>
> The actual details of the patch look good to me, so OK conditional
> on more comments about:
> * What is being tested.
> * Is it sufficient?
>   * If not, where might we improve in the future?
> * Under what conditions do we mark as UNSUPPORTED?

I tried to add a test for linkat, but it appears to be broken at the 
kernel level:

  <http://marc.info/?l=linux-man&m=147445864822403&w=2>

I'll probably commit the glibc test without the linkat bits.

Florian