Re: [PATCH V3 00/10] workqueue: async worker destruction and worker attaching/detaching

[Tejun Heo]

On Tue, May 20, 2014 at 05:46:26PM +0800, Lai Jiangshan wrote:
> Patch1-4: async worker destruction
> 
> Patch2 reduces the review burden. It will be easier to review the whole
> patchset if we know destroy_worker() is forced to destroy idle workers only.
> 
> Patch5-10: worker attaching/detaching and simplify the workers management
> 
> The code which attaches a worker to the pool and detaches a worker from the pool
> is unfolded in create_worker()/destroy_worker().
> The patchset moves this attaching/detaching code out and wraps them.
> 
> patch3-4 moves the detaching code out from destroy_worker(), and make
> manger_mutex only protects the detaching code only rather than
> protects the whole worker-destruction path.
> 
> patch5-7 makes manger_mutex only protects the attaching code rather than the
> whole worker-creation path.
> 
> patch8: rename manger_mutex to attach_mutex
> patch9-10: moves the attaching code out from create_worker() and use it for
> rescuer.
> 
> 
> Lai Jiangshan (10):
>   workqueue: use manager lock only to protect worker_idr
>   workqueue: destroy_worker() should destroy idle workers only
>   workqueue: async worker destruction
>   workqueue: destroy worker directly in the idle timeout handler
>   workqueue: separate iteration role from worker_idr
>   workqueue: convert worker_idr to worker_ida
>   workqueue: narrow the protection range of manager_mutex
>   workqueue: rename manager_mutex to attach_mutex
>   workqueue: separate pool-attaching code out from create_worker()
>   workqueue: use generic attach/detach routine for rescuers

Applied to wq/for-3.16 with comment and description updates.

Thanks.

-- 
tejun
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