Sorry I didn't notice this earlier. Linux 3.15 breaks my production
system :( The cause appears to be:
commit 2bd59d48ebfb3df41ee56938946ca0dd30887312
Author: Tejun Heo <t...@kernel.org>
Date: Tue Feb 11 11:52:49 2014 -0500
cgroup: convert to kernfs
In particular, this piece:
- sb->s_magic = CGROUP_SUPER_MAGIC;
The result is that cgroup shows up with the wrong magic number, so my
code goes "oh crap, cgroupfs isn't mounted" and fails.
I can change my code to hack around this, but I can imagine other
things getting tripped up. Is there still time to fix this?
--Andy
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