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9fb407179c
Commita1ce35fa49("block: remove dead elevator code") removed the last callers of blk_pm_requeue_request(), blk_pm_add_request() and blk_pm_put_request(). Hence remove the definitions of these functions. Removing these functions removes all users of the struct request nr_pending member. Hence also remove 'nr_pending'. Note: 'nr_pending' is no longer used since commit7cedffec8e("block: Make blk_get_request() block for non-PM requests while suspended"). Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
36 lines
763 B
C
36 lines
763 B
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 int blk_pm_resume_queue(const bool pm, struct request_queue *q)
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{
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if (!q->dev || !blk_queue_pm_only(q))
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return 1; /* Nothing to do */
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if (pm && q->rpm_status != RPM_SUSPENDED)
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return 1; /* Request allowed */
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pm_request_resume(q->dev);
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return 0;
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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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#else
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static inline int blk_pm_resume_queue(const bool pm, struct request_queue *q)
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{
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return 1;
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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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#endif
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#endif /* _BLOCK_BLK_PM_H_ */
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