forked from torvalds/linux
-
Notifications
You must be signed in to change notification settings - Fork 0
/
blk-pm.h
35 lines (29 loc) · 763 Bytes
/
blk-pm.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
/* 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_ */