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- /* SPDX-License-Identifier: GPL-2.0 */
- #ifndef _BLOCK_BLK_PM_H_
- #define _BLOCK_BLK_PM_H_
- #include <linux/pm_runtime.h>
- #ifdef CONFIG_PM
- static inline void blk_pm_request_resume(struct request_queue *q)
- {
- if (q->dev && (q->rpm_status == RPM_SUSPENDED ||
- q->rpm_status == RPM_SUSPENDING))
- pm_request_resume(q->dev);
- }
- static inline void blk_pm_mark_last_busy(struct request *rq)
- {
- if (rq->q->dev && !(rq->rq_flags & RQF_PM))
- pm_runtime_mark_last_busy(rq->q->dev);
- }
- static inline void blk_pm_requeue_request(struct request *rq)
- {
- lockdep_assert_held(&rq->q->queue_lock);
- if (rq->q->dev && !(rq->rq_flags & RQF_PM))
- rq->q->nr_pending--;
- }
- static inline void blk_pm_add_request(struct request_queue *q,
- struct request *rq)
- {
- lockdep_assert_held(&q->queue_lock);
- if (q->dev && !(rq->rq_flags & RQF_PM))
- q->nr_pending++;
- }
- static inline void blk_pm_put_request(struct request *rq)
- {
- lockdep_assert_held(&rq->q->queue_lock);
- if (rq->q->dev && !(rq->rq_flags & RQF_PM))
- --rq->q->nr_pending;
- }
- #else
- static inline void blk_pm_request_resume(struct request_queue *q)
- {
- }
- static inline void blk_pm_mark_last_busy(struct request *rq)
- {
- }
- static inline void blk_pm_requeue_request(struct request *rq)
- {
- }
- static inline void blk_pm_add_request(struct request_queue *q,
- struct request *rq)
- {
- }
- static inline void blk_pm_put_request(struct request *rq)
- {
- }
- #endif
- #endif /* _BLOCK_BLK_PM_H_ */
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