linux-master/kernel/workqueue.c

860 		return NULL;
876  * Return: The worker_pool @work was last associated with.  %NULL if none.
890 		return NULL;
1026 		return NULL;
1115  * Pointer to worker which is executing @work if found, %NULL
1129 	return NULL;
1153 	 * use NULL for list head.
1155 	list_for_each_entry_safe_from(work, n, NULL, entry) {
1179  * If @nextp is not NULL, it's updated to point to the next work of the last
1328 	return NULL;
1538  * The last work function %current executed as a worker, NULL if it
1555  * - %NULL for per-cpu workqueues as they don't need to use shared nr_active.
1565 		return NULL;
1660  * @pwq: pool_workqueue to put (can be %NULL)
1662  * put_pwq() with locking.  This function also allows %NULL @pwq.
1691 	move_linked_works(work, &pwq->pool->worklist, NULL);
2759 	struct completion *detach_completion = NULL;
2768 	worker->pool = NULL;
2804 		return NULL;
2863 	return NULL;
3146 	pool->manager = NULL;
3316 	worker->current_work = NULL;
3317 	worker->current_func = NULL;
3318 	worker->current_pwq = NULL;
3428 		if (assign_work(work, worker, NULL))
3607 		if (assign_work(work, worker, NULL))
3719  * @target_work: work item being flushed (NULL for workqueue flushes)
3730 	work_func_t target_func = target_work ? target_work->func : NULL;
3765  * @worker: worker currently executing @target, NULL if @target is not executing
3778  * Note that when @worker is non-NULL, @target may be modified
3985 				wq->first_flusher = NULL;
4003 	check_flush_dependency(wq, NULL);
4024 	WRITE_ONCE(wq->first_flusher, NULL);
4086 		wq->first_flusher = NULL;
4152 	struct worker *worker = NULL;
4486  * Return: The allocated new workqueue_attr on success. %NULL on failure.
4505 	return NULL;
4696 		nna_ar[node] = NULL;
4700 	nna_ar[nr_node_ids] = NULL;
4860  * On failure, %NULL.
4910 	return NULL;
5024 		return NULL;
5029 		return NULL;
5294 	struct pool_workqueue *old_pwq = NULL, *pwq;
5411 		wq->cpu_pwq = NULL;
5540 			return NULL;
5542 			return NULL;
5557 		return NULL;
5640 	return NULL;
5643 	return NULL;
5694 		wq->rescuer = NULL;
5740 		RCU_INIT_POINTER(*unbound_pwq_slot(wq, cpu), NULL);
5744 	RCU_INIT_POINTER(*unbound_pwq_slot(wq, -1), NULL);
5817  * Return: work struct if %current task is a workqueue worker, %NULL otherwise.
5823 	return worker ? worker->current_work : NULL;
5954 	work_func_t *fn = NULL;
5957 	struct pool_workqueue *pwq = NULL;
5958 	struct workqueue_struct *wq = NULL;
6843 module_param_cb(default_affinity_scope, &wq_affn_dfl_ops, NULL, 0644);
6908 	NULL,
6947 		return NULL;
7189 	__ATTR(cpumask_requested, 0444, wq_requested_cpumask_show, NULL),
7190 	__ATTR(cpumask_isolated, 0444, wq_isolated_cpumask_show, NULL),
7199 	err = subsys_virtual_register(&wq_subsys, NULL);
7270 		wq->wq_dev = NULL;
7281 				wq->wq_dev = NULL;
7305 	wq->wq_dev = NULL;