[PATCHv4 06/10] block: provide helper for nr_integrity_segments

[Keith Busch]

From: Keith Busch <kbusch at kernel.org>

Provide an integrity equivalent to blk_rq_nr_phys_segments().

Reviewed-by: Christoph Hellwig <hch at lst.de>
Signed-off-by: Keith Busch <kbusch at kernel.org>
---
 include/linux/blk-mq.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index 4fecf46ef681b..33557af495100 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -1156,6 +1156,11 @@ static inline unsigned short blk_rq_nr_phys_segments(struct request *rq)
 	return rq->nr_phys_segments;
 }
 
+static inline unsigned short blk_rq_nr_integrity_segments(struct request *rq)
+{
+	return rq->nr_integrity_segments;
+}
+
 /*
  * Number of discard segments (or ranges) the driver needs to fill in.
  * Each discard bio merged into a request is counted as one segment.
-- 
2.43.5