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blk-mq: remove blk_mq_tag_update_depth() 

This helper is not used now.

Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Nilay Shroff <nilay@linux.ibm.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Yu Kuai 2025-09-10 16:04:44 +08:00 committed by Jens Axboe
parent b86433721f
commit 9784041145
2 changed files with 0 additions and 34 deletions
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32
block/blk-mq-tag.c
View File

@ -609,38 +609,6 @@ void blk_mq_free_tags(struct blk_mq_tag_set *set, struct blk_mq_tags *tags)
call_srcu(&set->tags_srcu, &tags->rcu_head, blk_mq_free_tags_callback);
}
int blk_mq_tag_update_depth(struct blk_mq_hw_ctx *hctx,
struct blk_mq_tags **tagsptr, unsigned int tdepth)
{
struct blk_mq_tags *tags = *tagsptr;
/*
* If we are allowed to grow beyond the original size, allocate
* a new set of tags before freeing the old one.
*/
if (tdepth > tags->nr_tags) {
struct blk_mq_tag_set *set = hctx->queue->tag_set;
struct blk_mq_tags *new;
new = blk_mq_alloc_map_and_rqs(set, hctx->queue_num, tdepth);
if (!new)
return -ENOMEM;
blk_mq_free_map_and_rqs(set, *tagsptr, hctx->queue_num);
hctx->queue->elevator->et->tags[hctx->queue_num] = new;
*tagsptr = new;
} else {
/*
* Don't need (or can't) update reserved tags here, they
* remain static and should never need resizing.
*/
sbitmap_queue_resize(&tags->bitmap_tags,
tdepth - tags->nr_reserved_tags);
}
return 0;
}
void blk_mq_tag_resize_shared_tags(struct blk_mq_tag_set *set, unsigned int size)
{
struct blk_mq_tags *tags = set->shared_tags;

2
block/blk-mq.h
View File

@ -184,8 +184,6 @@ unsigned long blk_mq_get_tags(struct blk_mq_alloc_data *data, int nr_tags,
void blk_mq_put_tag(struct blk_mq_tags *tags, struct blk_mq_ctx *ctx,
unsigned int tag);
void blk_mq_put_tags(struct blk_mq_tags *tags, int *tag_array, int nr_tags);
int blk_mq_tag_update_depth(struct blk_mq_hw_ctx *hctx,
struct blk_mq_tags **tags, unsigned int depth);
void blk_mq_tag_resize_shared_tags(struct blk_mq_tag_set *set,
unsigned int size);
void blk_mq_tag_update_sched_shared_tags(struct request_queue *q);