LCOV - code coverage report
Current view: top level - block - blk-pm.h (source / functions) Hit Total Coverage
Test: landlock.info Lines: 2 4 50.0 %
Date: 2021-04-22 12:43:58 Functions: 0 0 -

          Line data    Source code
       1             : /* SPDX-License-Identifier: GPL-2.0 */
       2             : 
       3             : #ifndef _BLOCK_BLK_PM_H_
       4             : #define _BLOCK_BLK_PM_H_
       5             : 
       6             : #include <linux/pm_runtime.h>
       7             : 
       8             : #ifdef CONFIG_PM
       9             : static inline int blk_pm_resume_queue(const bool pm, struct request_queue *q)
      10             : {
      11             :         if (!q->dev || !blk_queue_pm_only(q))
      12             :                 return 1;       /* Nothing to do */
      13             :         if (pm && q->rpm_status != RPM_SUSPENDED)
      14             :                 return 1;       /* Request allowed */
      15             :         pm_request_resume(q->dev);
      16             :         return 0;
      17             : }
      18             : 
      19             : static inline void blk_pm_mark_last_busy(struct request *rq)
      20             : {
      21             :         if (rq->q->dev && !(rq->rq_flags & RQF_PM))
      22             :                 pm_runtime_mark_last_busy(rq->q->dev);
      23             : }
      24             : #else
      25           0 : static inline int blk_pm_resume_queue(const bool pm, struct request_queue *q)
      26             : {
      27           0 :         return 1;
      28             : }
      29             : 
      30        3254 : static inline void blk_pm_mark_last_busy(struct request *rq)
      31             : {
      32        3254 : }
      33             : #endif
      34             : 
      35             : #endif /* _BLOCK_BLK_PM_H_ */

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