834 	struct loop_worker *cur_worker, *worker = NULL;  in loop_queue_work()  local
849 			worker = cur_worker;  in loop_queue_work()
857 	if (worker)  in loop_queue_work()
860 	worker = kzalloc(sizeof(struct loop_worker), GFP_NOWAIT | __GFP_NOWARN);  in loop_queue_work()
865 	if (!worker) {  in loop_queue_work()
873 	worker->blkcg_css = cmd->blkcg_css;  in loop_queue_work()
874 	css_get(worker->blkcg_css);  in loop_queue_work()
875 	INIT_WORK(&worker->work, loop_workfn);  in loop_queue_work()
876 	INIT_LIST_HEAD(&worker->cmd_list);  in loop_queue_work()
877 	INIT_LIST_HEAD(&worker->idle_list);  in loop_queue_work()
878 	worker->lo = lo;  in loop_queue_work()
879 	rb_link_node(&worker->rb_node, parent, node);  in loop_queue_work()
880 	rb_insert_color(&worker->rb_node, &lo->worker_tree);  in loop_queue_work()
882 	if (worker) {  in loop_queue_work()
888 		if (!list_empty(&worker->idle_list))  in loop_queue_work()
889 			list_del_init(&worker->idle_list);  in loop_queue_work()
890 		work = &worker->work;  in loop_queue_work()
891 		cmd_list = &worker->cmd_list;  in loop_queue_work()
908 	struct loop_worker *pos, *worker;  in loop_free_idle_workers()  local
911 	list_for_each_entry_safe(worker, pos, &lo->idle_worker_list,  in loop_free_idle_workers()
914 		    time_is_after_jiffies(worker->last_ran_at +  in loop_free_idle_workers()
917 		list_del(&worker->idle_list);  in loop_free_idle_workers()
918 		rb_erase(&worker->rb_node, &lo->worker_tree);  in loop_free_idle_workers()
919 		css_put(worker->blkcg_css);  in loop_free_idle_workers()
920 		kfree(worker);  in loop_free_idle_workers()
1936 static void loop_process_work(struct loop_worker *worker,  in loop_process_work()  argument
1961 	if (worker && !work_pending(&worker->work)) {  in loop_process_work()
1962 		worker->last_ran_at = jiffies;  in loop_process_work()
1963 		list_add_tail(&worker->idle_list, &lo->idle_worker_list);  in loop_process_work()
1972 	struct loop_worker *worker =  in loop_workfn()  local
1974 	loop_process_work(worker, &worker->cmd_list, worker->lo);  in loop_workfn()