Comment 54 for bug 1619918

This fix from Jeff has landed in mainline and has been cc'd to stable:

commit 2a362249187a8d0f6d942d6e1d763d150a296f47
Author: Jeff Mahoney <email address hidden>
Date: Mon Feb 6 19:39:09 2017 -0500

    btrfs: fix btrfs_compat_ioctl failures on non-compat ioctls

I built a Xenial test kernel with this commit. Can you test this kernel and confirm it fixes the bug? It can be downloaded from:

http://bugs.launchpad.net/bugs/1619918/xenial