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2751b90051
To move implementation details inside blk-wbt.c, prepare to fix possible deadlock to call wbt_init() while queue is frozen in the next patch. Reviewed-by: Ming Lei <ming.lei@redhat.com> Reviewed-by: Nilay Shroff <nilay@linux.ibm.com> Signed-off-by: Yu Kuai <yukuai@fnnas.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
30 lines
637 B
C
30 lines
637 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef WB_THROTTLE_H
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#define WB_THROTTLE_H
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#ifdef CONFIG_BLK_WBT
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void wbt_init_enable_default(struct gendisk *disk);
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void wbt_disable_default(struct gendisk *disk);
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void wbt_enable_default(struct gendisk *disk);
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u64 wbt_get_min_lat(struct request_queue *q);
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bool wbt_disabled(struct request_queue *q);
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int wbt_set_lat(struct gendisk *disk, s64 val);
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#else
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static inline void wbt_init_enable_default(struct gendisk *disk)
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{
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}
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static inline void wbt_disable_default(struct gendisk *disk)
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{
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}
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static inline void wbt_enable_default(struct gendisk *disk)
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{
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}
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#endif /* CONFIG_BLK_WBT */
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#endif
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