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SubjectRe: [PATCH V8 5/8] percpu-refcount: introduce __percpu_ref_tryget_live
Hello,

On Tue, Oct 03, 2017 at 10:04:03PM +0800, Ming Lei wrote:
> Block layer need to call this function after holding
> rcu lock in a real hot path, so introduce this helper.

The patch description is too anemic. It doesn't even describe what
changes are being made, let alone justifying them.

Thanks.

--
tejun

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