cancel_delayed_work

函数名称：ancel_delayed_work_sync - cancel a delayed work and wait for it to finish*@dwork: the delayed work cancel* This is cancel_work_sync() for delayed works.* Return:* %true if @dwork was pending, %false otherwise.

函数原型：bool cancel_delayed_work_sync(struct delayed_work *dwork)

返回类型：bool

参数：

类型	参数	名称
struct delayed_work *	dwork

**调用者**
名称	描述
psi_cgroup_free
pm_qos_update_request	pm_qos_update_request - modifies an existing qos request@req : handle to list element holding a pm_qos request to use@value: defines the qos request* Updates an existing qos request for the pm_qos_class of parameters along
pm_qos_update_request_timeout	pm_qos_update_request_timeout - modifies an existing qos request temporarily.@req : handle to list element holding a pm_qos request to use@new_value: defines the temporal qos request*@timeout_us: the effective duration of this qos request in usecs.
pm_qos_remove_request	pm_qos_remove_request - modifies an existing qos request@req: handle to request list element Will remove pm qos request from the list of constraints and* recompute the current target value for the pm_qos_class. Call this* on slow code paths.
blk_mq_hw_sysfs_release
disk_block_events	disk_block_events - block and flush disk event checking@disk: disk to block events for On return from this function, it is guaranteed that event checking* isn't in progress and won't happen until unblocked by* disk_unblock_events()
test_klp_callbacks_busy_exit
slab_offline_cpu
__blk_release_queue	__blk_release_queue - release a request queue@work: pointer to the release_work member of the request queue to be released Description:* This function is called when a block device is being unregistered

函数逻辑报告