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https://github.com/edk2-porting/linux-next.git
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0d945c1f96
With the legacy request path gone there is no good reason to keep queue_lock as a pointer, we can always use the embedded lock now. Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Fixed floppy and blk-cgroup missing conversions and half done edits. Signed-off-by: Jens Axboe <axboe@kernel.dk>
70 lines
1.4 KiB
C
70 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _BLOCK_BLK_PM_H_
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#define _BLOCK_BLK_PM_H_
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#include <linux/pm_runtime.h>
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#ifdef CONFIG_PM
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static inline void blk_pm_request_resume(struct request_queue *q)
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{
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if (q->dev && (q->rpm_status == RPM_SUSPENDED ||
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q->rpm_status == RPM_SUSPENDING))
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pm_request_resume(q->dev);
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}
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static inline void blk_pm_mark_last_busy(struct request *rq)
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{
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if (rq->q->dev && !(rq->rq_flags & RQF_PM))
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pm_runtime_mark_last_busy(rq->q->dev);
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}
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static inline void blk_pm_requeue_request(struct request *rq)
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{
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lockdep_assert_held(&rq->q->queue_lock);
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if (rq->q->dev && !(rq->rq_flags & RQF_PM))
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rq->q->nr_pending--;
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}
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static inline void blk_pm_add_request(struct request_queue *q,
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struct request *rq)
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{
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lockdep_assert_held(&q->queue_lock);
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if (q->dev && !(rq->rq_flags & RQF_PM))
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q->nr_pending++;
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}
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static inline void blk_pm_put_request(struct request *rq)
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{
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lockdep_assert_held(&rq->q->queue_lock);
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if (rq->q->dev && !(rq->rq_flags & RQF_PM))
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--rq->q->nr_pending;
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}
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#else
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static inline void blk_pm_request_resume(struct request_queue *q)
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{
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}
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static inline void blk_pm_mark_last_busy(struct request *rq)
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{
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}
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static inline void blk_pm_requeue_request(struct request *rq)
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{
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}
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static inline void blk_pm_add_request(struct request_queue *q,
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struct request *rq)
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{
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}
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static inline void blk_pm_put_request(struct request *rq)
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{
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}
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#endif
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#endif /* _BLOCK_BLK_PM_H_ */
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