diff --git a/block/blk-iocost.c b/block/blk-iocost.c
index 9b5c0d23c9ce8b..73f09e3556d7e4 100644
--- a/block/blk-iocost.c
+++ b/block/blk-iocost.c

@@ -2825,7 +2825,7 @@ static void ioc_rqos_exit(struct rq_qos *rqos)
 	kfree(ioc);
 }
 
-static struct rq_qos_ops ioc_rqos_ops = {
+static const struct rq_qos_ops ioc_rqos_ops = {
 	.throttle = ioc_rqos_throttle,
 	.merge = ioc_rqos_merge,
 	.done_bio = ioc_rqos_done_bio,

diff --git a/block/blk-iolatency.c b/block/blk-iolatency.c
index 1c394bd77aa0b4..f6aeb3d3fdae59 100644
--- a/block/blk-iolatency.c
+++ b/block/blk-iolatency.c

@@ -650,7 +650,7 @@ static void blkcg_iolatency_exit(struct rq_qos *rqos)
 	kfree(blkiolat);
 }
 
-static struct rq_qos_ops blkcg_iolatency_ops = {
+static const struct rq_qos_ops blkcg_iolatency_ops = {
 	.throttle = blkcg_iolatency_throttle,
 	.done_bio = blkcg_iolatency_done_bio,
 	.exit = blkcg_iolatency_exit,

diff --git a/block/blk-rq-qos.c b/block/blk-rq-qos.c
index 14bee1bd761362..8e83734cfe8dbc 100644
--- a/block/blk-rq-qos.c
+++ b/block/blk-rq-qos.c

@@ -296,7 +296,7 @@ void rq_qos_exit(struct request_queue *q)
 }
 
 int rq_qos_add(struct rq_qos *rqos, struct gendisk *disk, enum rq_qos_id id,
-		struct rq_qos_ops *ops)
+		const struct rq_qos_ops *ops)
 {
 	struct request_queue *q = disk->queue;
 

diff --git a/block/blk-rq-qos.h b/block/blk-rq-qos.h
index 22552785aa31ed..2b7b668479f71a 100644
--- a/block/blk-rq-qos.h
+++ b/block/blk-rq-qos.h

@@ -25,7 +25,7 @@ struct rq_wait {
 };
 
 struct rq_qos {
-	struct rq_qos_ops *ops;
+	const struct rq_qos_ops *ops;
 	struct request_queue *q;
 	enum rq_qos_id id;
 	struct rq_qos *next;

@@ -86,7 +86,7 @@ static inline void rq_wait_init(struct rq_wait *rq_wait)
 }
 
 int rq_qos_add(struct rq_qos *rqos, struct gendisk *disk, enum rq_qos_id id,
-		struct rq_qos_ops *ops);
+		const struct rq_qos_ops *ops);
 void rq_qos_del(struct rq_qos *rqos);
 
 typedef bool (acquire_inflight_cb_t)(struct rq_wait *rqw, void *private_data);

diff --git a/block/blk-wbt.c b/block/blk-wbt.c
index 97149a4f10e600..1c4469f9962de8 100644
--- a/block/blk-wbt.c
+++ b/block/blk-wbt.c

@@ -821,7 +821,7 @@ static const struct blk_mq_debugfs_attr wbt_debugfs_attrs[] = {
 };
 #endif
 
-static struct rq_qos_ops wbt_rqos_ops = {
+static const struct rq_qos_ops wbt_rqos_ops = {
 	.throttle = wbt_wait,
 	.issue = wbt_issue,
 	.track = wbt_track,

-- 
2.39.0