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https://github.com/torvalds/linux
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5d13243820
Use the queue wide write back cache tracking insted of duplicating the value in strut rq_wb. Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20231226090747.204969-1-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
29 lines
613 B
C
29 lines
613 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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int wbt_init(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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void wbt_set_min_lat(struct request_queue *q, u64 val);
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bool wbt_disabled(struct request_queue *);
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u64 wbt_default_latency_nsec(struct request_queue *);
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#else
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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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