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| author | Jens Axboe <axboe@fb.com> | 2016-11-10 21:50:51 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2016-11-11 16:18:24 -0700 |
| commit | 8054b89f8fca75d514965ee627a15b47020d2053 (patch) | |
| tree | eb5848111e22d9cd2cb81aacb3cc3a3fa7489cee /block/blk-wbt.h | |
| parent | d8a0cbfd73cb7281120d1b49f90afeef26ad48a2 (diff) | |
| download | lwn-8054b89f8fca75d514965ee627a15b47020d2053.tar.gz lwn-8054b89f8fca75d514965ee627a15b47020d2053.zip | |
blk-wbt: remove stat ops
Again a leftover from when the throttling code was generic. Now that we
just have the block user, get rid of the stat ops and indirections.
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block/blk-wbt.h')
| -rw-r--r-- | block/blk-wbt.h | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/block/blk-wbt.h b/block/blk-wbt.h index 09c61a3f8295..44dc2173dc1f 100644 --- a/block/blk-wbt.h +++ b/block/blk-wbt.h @@ -46,12 +46,6 @@ static inline bool wbt_is_read(struct blk_issue_stat *stat) return (stat->time >> BLK_STAT_SHIFT) & WBT_READ; } -struct wb_stat_ops { - void (*get)(void *, struct blk_rq_stat *); - bool (*is_current)(struct blk_rq_stat *); - void (*clear)(void *); -}; - struct rq_wait { wait_queue_head_t wait; atomic_t inflight; @@ -89,9 +83,6 @@ struct rq_wb { unsigned long min_lat_nsec; struct request_queue *queue; struct rq_wait rq_wait[WBT_NUM_RWQ]; - - struct wb_stat_ops *stat_ops; - void *ops_data; }; static inline unsigned int wbt_inflight(struct rq_wb *rwb) @@ -109,7 +100,7 @@ static inline unsigned int wbt_inflight(struct rq_wb *rwb) void __wbt_done(struct rq_wb *, enum wbt_flags); void wbt_done(struct rq_wb *, struct blk_issue_stat *); enum wbt_flags wbt_wait(struct rq_wb *, struct bio *, spinlock_t *); -int wbt_init(struct request_queue *, struct wb_stat_ops *); +int wbt_init(struct request_queue *); void wbt_exit(struct request_queue *); void wbt_update_limits(struct rq_wb *); void wbt_requeue(struct rq_wb *, struct blk_issue_stat *); @@ -132,7 +123,7 @@ static inline enum wbt_flags wbt_wait(struct rq_wb *rwb, struct bio *bio, { return 0; } -static inline int wbt_init(struct request_queue *q, struct wb_stat_ops *ops) +static inline int wbt_init(struct request_queue *q) { return -EINVAL; } |