Re: [PATCH v2] make dm and dm-crypt forward cgroup context (was:dm-crypt parallelization patches)

From: Tejun Heo
Date: Thu Apr 11 2013 - 16:00:23 EST

On Thu, Apr 11, 2013 at 12:52:03PM -0700, Tejun Heo wrote:
> If this becomes an actual bottleneck, the right thing to do is making
> css ref per-cpu. Please stop messing around with refcounting.

If you think this kind of hackery is acceptable, you really need to
re-evaluate your priorities in making engineering decisions. In
tightly coupled code, maybe, but you're trying to introduce utterly
broken error-prone thing as a generic block layer API. I mean, are
you for real?

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