pwritev2 regression test for invalid flags

[Florian Weimer]

On 06/20/2017 10:53 PM, Stephen  Bates wrote:
>>
>>> I've already sent this patch to Al twice (including a stable tag),
>>> but it didn't seem to make it anywhere.
> 
> Does anyone have ideas how we move this along? This is the missing link in allowing applications to request IO polling…

Is this still an issue with the upstream kernel?

As far as I can tell, Greg Kroah-Hartman queued the fix for 4.9 and
4.11, and the fix is in mainline, too:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=20223f0f39ea9d31ece08f04ac79f8c4e8d98246

Thanks,
Florian