57 btrfs_workqueue_owner(const struct __btrfs_workqueue *wq)  in btrfs_workqueue_owner()  argument
59 	return wq->fs_info;  in btrfs_workqueue_owner()
65 	return work->wq->fs_info;  in btrfs_work_owner()
68 bool btrfs_workqueue_normal_congested(const struct btrfs_workqueue *wq)  in btrfs_workqueue_normal_congested()  argument
76 	if (wq->normal->thresh == NO_THRESHOLD)  in btrfs_workqueue_normal_congested()
79 	return atomic_read(&wq->normal->pending) > wq->normal->thresh * 2;  in btrfs_workqueue_normal_congested()
129 __btrfs_destroy_workqueue(struct __btrfs_workqueue *wq);
167 static inline void thresh_queue_hook(struct __btrfs_workqueue *wq)  in thresh_queue_hook()  argument
169 	if (wq->thresh == NO_THRESHOLD)  in thresh_queue_hook()
171 	atomic_inc(&wq->pending);  in thresh_queue_hook()
179 static inline void thresh_exec_hook(struct __btrfs_workqueue *wq)  in thresh_exec_hook()  argument
185 	if (wq->thresh == NO_THRESHOLD)  in thresh_exec_hook()
188 	atomic_dec(&wq->pending);  in thresh_exec_hook()
189 	spin_lock(&wq->thres_lock);  in thresh_exec_hook()
194 	wq->count++;  in thresh_exec_hook()
195 	wq->count %= (wq->thresh / 4);  in thresh_exec_hook()
196 	if (!wq->count)  in thresh_exec_hook()
198 	new_current_active = wq->current_active;  in thresh_exec_hook()
204 	pending = atomic_read(&wq->pending);  in thresh_exec_hook()
205 	if (pending > wq->thresh)  in thresh_exec_hook()
207 	if (pending < wq->thresh / 2)  in thresh_exec_hook()
209 	new_current_active = clamp_val(new_current_active, 1, wq->limit_active);  in thresh_exec_hook()
210 	if (new_current_active != wq->current_active)  {  in thresh_exec_hook()
212 		wq->current_active = new_current_active;  in thresh_exec_hook()
215 	spin_unlock(&wq->thres_lock);  in thresh_exec_hook()
218 		workqueue_set_max_active(wq->normal_wq, wq->current_active);  in thresh_exec_hook()
222 static void run_ordered_work(struct __btrfs_workqueue *wq,  in run_ordered_work()  argument
225 	struct list_head *list = &wq->ordered_list;  in run_ordered_work()
227 	spinlock_t *lock = &wq->list_lock;  in run_ordered_work()
290 			trace_btrfs_all_work_done(wq->fs_info, wtag);  in run_ordered_work()
298 		trace_btrfs_all_work_done(wq->fs_info, wtag);  in run_ordered_work()
306 	struct __btrfs_workqueue *wq;  in btrfs_work_helper()  local
320 	wq = work->wq;  in btrfs_work_helper()
325 	thresh_exec_hook(wq);  in btrfs_work_helper()
329 		run_ordered_work(wq, work);  in btrfs_work_helper()
332 		trace_btrfs_all_work_done(wq->fs_info, wtag);  in btrfs_work_helper()
346 static inline void __btrfs_queue_work(struct __btrfs_workqueue *wq,  in __btrfs_queue_work()  argument
351 	work->wq = wq;  in __btrfs_queue_work()
352 	thresh_queue_hook(wq);  in __btrfs_queue_work()
354 		spin_lock_irqsave(&wq->list_lock, flags);  in __btrfs_queue_work()
355 		list_add_tail(&work->ordered_list, &wq->ordered_list);  in __btrfs_queue_work()
356 		spin_unlock_irqrestore(&wq->list_lock, flags);  in __btrfs_queue_work()
359 	queue_work(wq->normal_wq, &work->normal_work);  in __btrfs_queue_work()
362 void btrfs_queue_work(struct btrfs_workqueue *wq,  in btrfs_queue_work()  argument
367 	if (test_bit(WORK_HIGH_PRIO_BIT, &work->flags) && wq->high)  in btrfs_queue_work()
368 		dest_wq = wq->high;  in btrfs_queue_work()
370 		dest_wq = wq->normal;  in btrfs_queue_work()
375 __btrfs_destroy_workqueue(struct __btrfs_workqueue *wq)  in __btrfs_destroy_workqueue()  argument
377 	destroy_workqueue(wq->normal_wq);  in __btrfs_destroy_workqueue()
378 	trace_btrfs_workqueue_destroy(wq);  in __btrfs_destroy_workqueue()
379 	kfree(wq);  in __btrfs_destroy_workqueue()
382 void btrfs_destroy_workqueue(struct btrfs_workqueue *wq)  in btrfs_destroy_workqueue()  argument
384 	if (!wq)  in btrfs_destroy_workqueue()
386 	if (wq->high)  in btrfs_destroy_workqueue()
387 		__btrfs_destroy_workqueue(wq->high);  in btrfs_destroy_workqueue()
388 	__btrfs_destroy_workqueue(wq->normal);  in btrfs_destroy_workqueue()
389 	kfree(wq);  in btrfs_destroy_workqueue()
392 void btrfs_workqueue_set_max(struct btrfs_workqueue *wq, int limit_active)  in btrfs_workqueue_set_max()  argument
394 	if (!wq)  in btrfs_workqueue_set_max()
396 	wq->normal->limit_active = limit_active;  in btrfs_workqueue_set_max()
397 	if (wq->high)  in btrfs_workqueue_set_max()
398 		wq->high->limit_active = limit_active;  in btrfs_workqueue_set_max()