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| author | Jens Axboe <axboe@kernel.dk> | 2021-10-05 18:11:56 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-10-18 15:17:03 +0300 |
| commit | a7b36ee6ba299ffa5c3b36af187b4d0fb32a557c (patch) | |
| tree | 0e3d6396029cf7b291aeb0b8daeba08f69a33f20 /block/blk.h | |
| parent | 079a2e3e862548087041a1873bbffceb41a72a33 (diff) | |
| download | linux-a7b36ee6ba299ffa5c3b36af187b4d0fb32a557c.tar.xz | |
block: move blk-throtl fast path inline
Even if no policies are defined, we spend ~2% of the total IO time
checking. Move the fast path inline.
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk.h')
| -rw-r--r-- | block/blk.h | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/block/blk.h b/block/blk.h index 8cdee4844d8a..7aaccbc26db4 100644 --- a/block/blk.h +++ b/block/blk.h @@ -325,22 +325,6 @@ void ioc_clear_queue(struct request_queue *q); int create_task_io_context(struct task_struct *task, gfp_t gfp_mask, int node); -/* - * Internal throttling interface - */ -#ifdef CONFIG_BLK_DEV_THROTTLING -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); -extern void blk_throtl_charge_bio_split(struct bio *bio); -bool blk_throtl_bio(struct bio *bio); -#else /* CONFIG_BLK_DEV_THROTTLING */ -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) { } -static inline void blk_throtl_charge_bio_split(struct bio *bio) { } -static inline bool blk_throtl_bio(struct bio *bio) { return false; } -#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, |