Hello,
On Wed, Jun 03, 2015 at 10:29:49PM +0800, Lai Jiangshan wrote:
> attrs management code may reuse existed pwq and it has open code
existing
> to do "lock();get_pwq();unlock()", we move this open code into
> get_pwq_unlocked().
>
> get_pwq_unlocked() will also be used in later patches to allow
> apply_wqattrs_prepare() to resue the original default or per-node pwq.
reuse
> /**
> + * get_pwq_unlocked - get_pwq() with surrounding pool lock/unlock
> + * @pwq: pool_workqueue to get (should not %NULL)
should not be %NULL
> + *
> + * get_pwq() with locking. The caller should have at least an owned
> + * reference on @pwq to match the guarantees required by get_pwq().
The caller should have a reference on @pwq.
Thanks.
--
tejun
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