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Diffstat (limited to 'include/linux/blk-mq.h')
-rw-r--r--include/linux/blk-mq.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index 794b2a33a2c3..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;
@@ -593,6 +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