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blk-mq: make mq_ops a const pointer

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We never change it, make that clear.

Signed-off-by: Jens Axboe <axboe@fb.com>
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>
This commit is contained in:
Jens Axboe 2016-12-13 09:24:51 -07:00
parent 729204ef49
commit f8a5b12247
3 changed files with 3 additions and 3 deletions
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2
block/blk-mq.c
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@ -639,7 +639,7 @@ struct blk_mq_timeout_data {
void blk_mq_rq_timed_out(struct request *req, bool reserved) void blk_mq_rq_timed_out(struct request *req, bool reserved)
{ {
struct blk_mq_ops *ops = req->q->mq_ops; const struct blk_mq_ops *ops = req->q->mq_ops;
enum blk_eh_timer_return ret = BLK_EH_RESET_TIMER; enum blk_eh_timer_return ret = BLK_EH_RESET_TIMER;
/* /*

2
include/linux/blk-mq.h
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@ -60,7 +60,7 @@ struct blk_mq_hw_ctx {
struct blk_mq_tag_set { struct blk_mq_tag_set {
unsigned int *mq_map; unsigned int *mq_map;
struct blk_mq_ops *ops; const struct blk_mq_ops *ops;
unsigned int nr_hw_queues; unsigned int nr_hw_queues;
unsigned int queue_depth; /* max hw supported */ unsigned int queue_depth; /* max hw supported */
unsigned int reserved_tags; unsigned int reserved_tags;

2
include/linux/blkdev.h
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@ -407,7 +407,7 @@ struct request_queue {
dma_drain_needed_fn *dma_drain_needed; dma_drain_needed_fn *dma_drain_needed;
lld_busy_fn *lld_busy_fn; lld_busy_fn *lld_busy_fn;
struct blk_mq_ops *mq_ops; const struct blk_mq_ops *mq_ops;
unsigned int *mq_map; unsigned int *mq_map;