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v0.5.1
https://github.com/torvalds/linux
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Tip revision: 09688c0166e76ce2fb85e86b9d99be8b0084cdf9 authored by Linus Torvalds on 13 March 2022, 20:23:37 UTC
Linux 5.17-rc8
Tip revision: 09688c0
blk-pm.h
/* 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 int blk_pm_resume_queue(const bool pm, struct request_queue *q)
{
	if (!q->dev || !blk_queue_pm_only(q))
		return 1;	/* Nothing to do */
	if (pm && q->rpm_status != RPM_SUSPENDED)
		return 1;	/* Request allowed */
	pm_request_resume(q->dev);
	return 0;
}

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);
}
#else
static inline int blk_pm_resume_queue(const bool pm, struct request_queue *q)
{
	return 1;
}

static inline void blk_pm_mark_last_busy(struct request *rq)
{
}
#endif

#endif /* _BLOCK_BLK_PM_H_ */
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