blk-wbt.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef WB_THROTTLE_H
 3#define WB_THROTTLE_H
 4
 5#ifdef CONFIG_BLK_WBT
 6
 7int wbt_init(struct gendisk *disk);
 8void wbt_init_enable_default(struct gendisk *disk);
 9void wbt_disable_default(struct gendisk *disk);
10void wbt_enable_default(struct gendisk *disk);
11
12u64 wbt_get_min_lat(struct request_queue *q);
13void wbt_set_min_lat(struct request_queue *q, u64 val);
14bool wbt_disabled(struct request_queue *);
15
16u64 wbt_default_latency_nsec(struct request_queue *);
17
18#else
19
20static inline void wbt_init_enable_default(struct gendisk *disk)
21{
22}
23
24static inline void wbt_disable_default(struct gendisk *disk)
25{
26}
27static inline void wbt_enable_default(struct gendisk *disk)
28{
29}
30
31#endif /* CONFIG_BLK_WBT */
32
33#endif