diff options
Diffstat (limited to 'block/blk.h')
| -rw-r--r-- | block/blk.h | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/block/blk.h b/block/blk.h index 20b900a377c9..3f6551b3c92d 100644 --- a/block/blk.h +++ b/block/blk.h @@ -15,6 +15,7 @@ void blk_rq_bio_prep(struct request_queue *q, struct request *rq, struct bio *bio); int blk_rq_append_bio(struct request_queue *q, struct request *rq, struct bio *bio); +void blk_drain_queue(struct request_queue *q, bool drain_all); void blk_dequeue_request(struct request *rq); void __blk_queue_free_tags(struct request_queue *q); bool __blk_end_bidi_request(struct request *rq, int error, @@ -188,4 +189,21 @@ static inline int blk_do_io_stat(struct request *rq) (rq->cmd_flags & REQ_DISCARD)); } -#endif +#ifdef CONFIG_BLK_DEV_THROTTLING +extern bool blk_throtl_bio(struct request_queue *q, struct bio *bio); +extern void blk_throtl_drain(struct request_queue *q); +extern int blk_throtl_init(struct request_queue *q); +extern void blk_throtl_exit(struct request_queue *q); +extern void blk_throtl_release(struct request_queue *q); +#else /* CONFIG_BLK_DEV_THROTTLING */ +static inline bool blk_throtl_bio(struct request_queue *q, struct bio *bio) +{ + return false; +} +static inline void blk_throtl_drain(struct request_queue *q) { } +static inline int blk_throtl_init(struct request_queue *q) { return 0; } +static inline void blk_throtl_exit(struct request_queue *q) { } +static inline void blk_throtl_release(struct request_queue *q) { } +#endif /* CONFIG_BLK_DEV_THROTTLING */ + +#endif /* BLK_INTERNAL_H */ |