diff options
Diffstat (limited to 'include/linux/blk-mq.h')
| -rw-r--r-- | include/linux/blk-mq.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index b23eeca4d677..47b021952ac7 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -5,6 +5,7 @@ #include <linux/blkdev.h> #include <linux/sbitmap.h> #include <linux/srcu.h> +#include <linux/lockdep.h> struct blk_mq_tags; struct blk_flush_queue; @@ -235,6 +236,8 @@ enum hctx_type { * @flags: Zero or more BLK_MQ_F_* flags. * @driver_data: Pointer to data owned by the block driver that created this * tag set. + * @active_queues_shared_sbitmap: + * number of active request queues per tag set. * @__bitmap_tags: A shared tags sbitmap, used over all hctx's * @__breserved_tags: * A shared reserved tags sbitmap, used over all hctx's @@ -591,6 +594,20 @@ static inline void blk_mq_cleanup_rq(struct request *rq) rq->q->mq_ops->cleanup_rq(rq); } +static inline void blk_rq_bio_prep(struct request *rq, struct bio *bio, + unsigned int nr_segs) +{ + rq->nr_phys_segments = nr_segs; + rq->__data_len = bio->bi_iter.bi_size; + rq->bio = rq->biotail = bio; + rq->ioprio = bio_prio(bio); + + if (bio->bi_disk) + rq->rq_disk = bio->bi_disk; +} + blk_qc_t blk_mq_submit_bio(struct bio *bio); +void blk_mq_hctx_set_fq_lock_class(struct blk_mq_hw_ctx *hctx, + struct lock_class_key *key); #endif |