函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\workqueue.c Create Date:2022-07-27 10:26:29
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：put_pwq - put a pool_workqueue reference*@pwq: pool_workqueue to put* Drop a reference of @pwq. If its refcnt reaches zero, schedule its* destruction. The caller should be holding the matching pool->lock.

函数原型：static void put_pwq(struct pool_workqueue *pwq)

返回类型：void

参数：

类型参数名称
struct pool_workqueue *pwq
1100  lockdep_assert_held( & he pool lock )
1101  如果此条件成立可能性大(为编译器优化)(--L: reference count )则返回
1103  如果WARN_ON_ONCE(!(flags & WQ_UNBOUND))则返回
1113  schedule_work - put work task in global workqueue*@work: job to be done* Returns %false if @work was already on the kernel-global workqueue and* %true otherwise
调用者
名称描述
put_pwq_unlockedput_pwq_unlocked - put_pwq() with surrounding pool lock/unlock*@pwq: pool_workqueue to put (can be %NULL)* put_pwq() with locking. This function also allows %NULL @pwq.
pwq_dec_nr_in_flightpwq_dec_nr_in_flight - decrement pwq's nr_in_flight*@pwq: pwq of interest*@color: color of work which left the queue* A work either has completed or is removed from pending queue,* decrement nr_in_flight of its pwq and handle workqueue flushing.* CONTEXT:
rescuer_threadscuer_thread - the rescuer thread function*@__rescuer: self* Workqueue rescuer thread function