From 3963d84df7974b6687cb34bce3b9e0b2686f839c Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Fri, 3 Feb 2023 16:03:55 +0100 Subject: blk-rq-qos: constify rq_qos_ops These op vectors are constant, so mark them const. Signed-off-by: Christoph Hellwig Reviewed-by: Andreas Herrmann Acked-by: Tejun Heo Link: https://lore.kernel.org/r/20230203150400.3199230-15-hch@lst.de Signed-off-by: Jens Axboe --- block/blk-iocost.c | 2 +- block/blk-iolatency.c | 2 +- block/blk-rq-qos.c | 2 +- block/blk-rq-qos.h | 4 ++-- block/blk-wbt.c | 2 +- 5 files changed, 6 insertions(+), 6 deletions(-) (limited to 'block') diff --git a/block/blk-iocost.c b/block/blk-iocost.c index 5f28463cba0a..6f1da7883905 100644 --- a/block/blk-iocost.c +++ b/block/blk-iocost.c @@ -2832,7 +2832,7 @@ 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 1c394bd77aa0..f6aeb3d3fdae 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 14bee1bd7613..8e83734cfe8d 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 22552785aa31..2b7b668479f7 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 75565ae27752..1a78d54c8152 100644 --- a/block/blk-wbt.c +++ b/block/blk-wbt.c @@ -898,7 +898,7 @@ 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, -- cgit v1.2.3