block/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
   7 int wbt_init(struct gendisk *disk);
   8 void wbt_disable_default(struct gendisk *disk);
   9 void wbt_enable_default(struct gendisk *disk);
  10
  11 u64 wbt_get_min_lat(struct request_queue *q);
  12 void wbt_set_min_lat(struct request_queue *q, u64 val);
  13 bool wbt_disabled(struct request_queue *);
  14
  15 u64 wbt_default_latency_nsec(struct request_queue *);
  16
  17 #else
  18
  19 static inline void wbt_disable_default(struct gendisk *disk)
  20 {
  21 }
  22 static inline void wbt_enable_default(struct gendisk *disk)
  23 {
  24 }
  25
  26 #endif /* CONFIG_BLK_WBT */
  27
  28 #endif