Messages in this thread Patch in this message | | | Subject | [PATCH v2 07/14] block: add helper function to get the number of integrity segments | From | Jinyoung CHOI <> | Date | Wed, 10 May 2023 17:53:59 +0900 |
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Since request always has the number of integrity segments in the process of generating and merging, a function for simply obtained this has been added.
Cc: Christoph Hellwig <hch@lst.de> Cc: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jinyoung Choi <j-young.choi@samsung.com> --- include/linux/blk-integrity.h | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/include/linux/blk-integrity.h b/include/linux/blk-integrity.h index 378b2459efe2..45b9fde1fee1 100644 --- a/include/linux/blk-integrity.h +++ b/include/linux/blk-integrity.h @@ -43,6 +43,11 @@ int blk_rq_map_integrity_sg(struct request_queue *, struct bio *, struct scatterlist *); int blk_rq_count_integrity_sg(struct request_queue *, struct bio *); +static inline unsigned short blk_rq_nr_integrity_segments(struct request *rq) +{ + return rq->nr_integrity_segments; +} + static inline struct blk_integrity *blk_get_integrity(struct gendisk *disk) { struct blk_integrity *bi = &disk->queue->integrity; @@ -120,6 +125,10 @@ static inline int blk_rq_count_integrity_sg(struct request_queue *q, { return 0; } +static inline unsigned short blk_rq_nr_integrity_segments(struct request *rq) +{ + return 0; +} static inline int blk_rq_map_integrity_sg(struct request_queue *q, struct bio *b, struct scatterlist *s) -- 2.34.1
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