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



On Thu, Apr 18 2013 at  1:03pm -0400,
Tejun Heo <tj kernel org> wrote:

> Hello, Mike.
> 
> On Thu, Apr 18, 2013 at 12:47:42PM -0400, Mike Snitzer wrote:
> > I see you nack and raise you with: please reconsider in the near term.
> 
> The thing is that percpu-refcnting is already in mostly ready-form, so
> unless this dm series is planned to be merged for v3.10-rc1, I don't
> see the need for a separate near term solution.  Mikulas can just do
> the normal refcnting and cgroup will most likely adopt per-cpu ref
> anyway once percpu-refcnting is in, so it should all fall in places
> pretty quickly.  For devel / testing / whatever, Mikulas can surely
> turn off cgroup, right?

Hey Tejun,

Was wondering: how is percpu-refcounting coming along?  Do you have a
pointer to the code that can be pulled in for use by Mikulas' dm-crypt
changes?

Would be nice to get this stuff sorted out for the 3.11 merge window.

Mike


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