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 10:23:58
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:get_work_pool - return the worker_pool a given work was associated with*@work: the work item of interest* Pools are created and destroyed under wq_pool_mutex, and allows read* access under RCU read lock. As such, this function should be

函数原型:static struct worker_pool *get_work_pool(struct work_struct *work)

返回类型:struct worker_pool

参数:

类型参数名称
struct work_struct *work
707  data等于atomic_long_read( & data)
710  workqueue_execute_end - called immediately after the workqueue callback*@work: pointer to struct work_struct* Allows to track workqueue execution.()
712  如果data按位与WORK_STRUCT_PWQ则返回:pool
716  pool_id等于data右移WORK_OFFQ_POOL_SHIFT
717  如果pool_id恒等于WORK_OFFQ_POOL_NONE则返回:NULL
720  返回:dr_find() - Return pointer for given ID
调用者
名称描述
try_to_grab_pendingry_to_grab_pending - steal work item from worklist and disable irq*@work: work item to steal*@is_dwork: @work is a delayed_work*@flags: place to store irq state* Try to grab PENDING bit of @work. This function can handle @work in any
__queue_work
start_flush_work
work_busywork_busy - test whether a work is currently pending or running*@work: the work to be tested* Test whether @work is currently pending or running. There is no* synchronization around this function and the test result is