That wasn't there half an hour ago :-). That LWN article was from June 2017 and ...

		mjw1007 on Oct 23, 2017 \| parent \| context \| favorite \| on: Filesystem error handling That wasn't there half an hour ago :-). That LWN article was from June 2017 and 4.10 was released in February, so I think that means these tests predate any of the changes it discusses.

Arch linux 4.12.8-2 came out in August.