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| author | Yu Kuai <yukuai3@huawei.com> | 2024-05-09 20:11:06 +0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2024-05-09 09:44:55 -0600 |
| commit | bf20ab538c81bb32edab86f503fc0c55d8243bbc (patch) | |
| tree | 543cd1e241c7b8a0f2f290be57ea9597e9210a0e /block/blk.h | |
| parent | 7be835694daebbb4adffbc461519081aa0cf28e1 (diff) | |
| download | linux-bf20ab538c81bb32edab86f503fc0c55d8243bbc.tar.gz linux-bf20ab538c81bb32edab86f503fc0c55d8243bbc.tar.bz2 linux-bf20ab538c81bb32edab86f503fc0c55d8243bbc.zip | |
blk-throttle: remove CONFIG_BLK_DEV_THROTTLING_LOW
One the one hand, it's marked EXPERIMENTAL since 2017, and looks like
there are no users since then, and no testers and no developers, it's
just not active at all.
On the other hand, even if the config is disabled, there are still many
fields in throtl_grp and throtl_data and many functions that are only
used for throtl low.
At last, currently blk-throtl is initialized during disk initialization,
and destroyed during disk removal, and it exposes many functions to be
called directly from block layer.
Remove throtl low to make code much more cleaner and follow up work much
easier.
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20240509121107.3195568-2-yukuai1@huaweicloud.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk.h')
| -rw-r--r-- | block/blk.h | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/block/blk.h b/block/blk.h index 3870bdcd5cad..6e94c10af798 100644 --- a/block/blk.h +++ b/block/blk.h @@ -388,17 +388,6 @@ static inline void ioc_clear_queue(struct request_queue *q) } #endif /* CONFIG_BLK_ICQ */ -#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 - struct bio *__blk_queue_bounce(struct bio *bio, struct request_queue *q); static inline bool blk_queue_may_bounce(struct request_queue *q) |