int blk_mq_init_sched(struct request_queue *q, struct elevator_type *e);
void blk_mq_exit_sched(struct request_queue *q, struct elevator_queue *e);
-int blk_mq_sched_init_hctx(struct request_queue *q, struct blk_mq_hw_ctx *hctx,
- unsigned int hctx_idx);
-void blk_mq_sched_exit_hctx(struct request_queue *q, struct blk_mq_hw_ctx *hctx,
- unsigned int hctx_idx);
-
static inline bool
blk_mq_sched_bio_merge(struct request_queue *q, struct bio *bio)
{