[PATCH][SRU][Disco] shiftfs: simplify passthrough verification

[Christian Brauner]

Hi Cascardo,

On Mon, Apr 15, 2019 at 08:34:44AM -0300, Thadeu Lima de Souza Cascardo wrote:
> Hi, Christian.
> 
> TL;DR: why should we apply this fix at this point of the release?

Ah, sorry. I just wanted to have a fix to review out. Sorry for not
following proper protocol.

> 
> Is this bug upstream at all? If not, it should have a subject of "UBUNTU:
> SAUCE".
> 
> The main issue with this submission is that it does not have a buglink with a
> bug that follows the SRU process, that is, has a good description of the
> impact, regression potential and what test has been done for both the fix and
> those potential regressions.

Ok, I'll rework this now and make this suitable for an SRU.

Thanks!
Christian