linux-kernel - [PATCH 03/20] blk-integrity: take const pointer in blk_integrity

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Message-ID: <20251217053455.281509-4-csander@purestorage.com>
Date: Tue, 16 Dec 2025 22:34:37 -0700
From: Caleb Sander Mateos <csander@...estorage.com>
To: Ming Lei <ming.lei@...hat.com>,
	Jens Axboe <axboe@...nel.dk>,
	Shuah Khan <shuah@...nel.org>
Cc: linux-block@...r.kernel.org,
	linux-kselftest@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Stanley Zhang <stazhang@...estorage.com>,
	Uday Shankar <ushankar@...estorage.com>,
	Caleb Sander Mateos <csander@...estorage.com>
Subject: [PATCH 03/20] blk-integrity: take const pointer in blk_integrity_rq()

blk_integrity_rq() doesn't modify the struct request passed in, so allow
a const pointer to be passed. Use a matching signature for the
!CONFIG_BLK_DEV_INTEGRITY version.

Signed-off-by: Caleb Sander Mateos <csander@...estorage.com>
---
 include/linux/blk-integrity.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/linux/blk-integrity.h b/include/linux/blk-integrity.h
index a6b84206eb94..c15b1ac62765 100644
--- a/include/linux/blk-integrity.h
+++ b/include/linux/blk-integrity.h
@@ -89,11 +89,11 @@ static inline unsigned int bio_integrity_bytes(struct blk_integrity *bi,
 					       unsigned int sectors)
 {
 	return bio_integrity_intervals(bi, sectors) * bi->metadata_size;
 }
 
-static inline bool blk_integrity_rq(struct request *rq)
+static inline bool blk_integrity_rq(const struct request *rq)
 {
 	return rq->cmd_flags & REQ_INTEGRITY;
 }
 
 /*
@@ -166,13 +166,13 @@ static inline unsigned int bio_integrity_intervals(struct blk_integrity *bi,
 static inline unsigned int bio_integrity_bytes(struct blk_integrity *bi,
 					       unsigned int sectors)
 {
 	return 0;
 }
-static inline int blk_integrity_rq(struct request *rq)
+static inline bool blk_integrity_rq(const struct request *rq)
 {
-	return 0;
+	return false;
 }
 
 static inline struct bio_vec rq_integrity_vec(struct request *rq)
 {
 	/* the optimizer will remove all calls to this function */
-- 
2.45.2