Re: [REVIEW][PATCH] mount: In propagate_umount handle overlapping mount propagation trees

From: Eric W. Biederman
Date: Fri Oct 21 2016 - 15:29:11 EST

Andrei Vagin <avagin@xxxxxxxxxxxxx> writes:
>> Barring some stupid mistake this looks like it fixes both the performance
>> and the correctness issues I was able to spot earlier. Andrei if you
>> could give this version a look over I would appreciate it.
> Eric, could you try out this script:
[snip script]

> It hangs up on my host with this patch.

Ugh. I am seeing the hang as well digging into it.

Thanks for keeping me honest.