diff options
Diffstat (limited to 'block/blk.h')
| -rw-r--r-- | block/blk.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/block/blk.h b/block/blk.h index d1ea4bd9b9a3..07d375183f31 100644 --- a/block/blk.h +++ b/block/blk.h @@ -319,10 +319,22 @@ static inline struct io_context *create_io_context(gfp_t gfp_mask, int node) 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_register_queue(struct request_queue *q); #else /* CONFIG_BLK_DEV_THROTTLING */ 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_register_queue(struct request_queue *q) { } #endif /* CONFIG_BLK_DEV_THROTTLING */ +#ifdef CONFIG_BLK_DEV_THROTTLING_LOW +extern ssize_t blk_throtl_sample_time_show(struct request_queue *q, char *page); +extern ssize_t blk_throtl_sample_time_store(struct request_queue *q, + const char *page, size_t count); +extern void blk_throtl_bio_endio(struct bio *bio); +extern void blk_throtl_stat_add(struct request *rq, u64 time); +#else +static inline void blk_throtl_bio_endio(struct bio *bio) { } +static inline void blk_throtl_stat_add(struct request *rq, u64 time) { } +#endif #endif /* BLK_INTERNAL_H */ |