Re: [PATCH 11/11] blkcg: implement per-blkg request allocation

[Tejun Heo]

Hello,

On Fri, Apr 27, 2012 at 01:21:10PM -0400, Vivek Goyal wrote:
> For non-priviliged users, something along the lines of per session
> cpu autogroup might make sense.  But even then if some IO is submitted
> from that autoblkgroup, kernel can't claim that memory till IO is
> completed.
> 
> So per cgroup number of request will probably be a problem even if
> kenrel managed those completely.

My point was that trying to solve all the policy decisions in kernel
proper is not a very good idea.

> So are you planning to put a patch in kernel to disallow cgroup creation
> for non-priviliged users?

No, I'm not gonna break the current users.  It's just not the
direction I want to take cgroup towards and the current breakages will
remain broken.

Thanks.

-- 
tejun
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