[RFC][PATCH] fix d_absolute_path() interplay with fsmount()

[Tetsuo Handa]

On 2019/08/22 12:51, Al Viro wrote:
> [bringing a private thread back to the lists]
> 
> There's a bug in interplay of fsmount() and d_absolute_path().
> Namely, the check in d_absolute_path() treats the
> not-yet-attached mount as "reached absolute root".

I think you can send this patch to linux-next.