From: Yu Kuai <yukuai3@xxxxxxxxxx>
This helper is not used now.
Signed-off-by: Yu Kuai <yukuai3@xxxxxxxxxx>
---
block/blk-mq-tag.c | 31 -------------------------------
block/blk-mq.h | 2 --
2 files changed, 33 deletions(-)
diff --git a/block/blk-mq-tag.c b/block/blk-mq-tag.c
index 84a452e708e4..cbb93a653cef 100644
--- a/block/blk-mq-tag.c
+++ b/block/blk-mq-tag.c
@@ -583,37 +583,6 @@ void blk_mq_free_tags(struct blk_mq_tags *tags)
kfree(tags);
}
-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);
- *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;
diff --git a/block/blk-mq.h b/block/blk-mq.h
index 98740f9c204e..aaa006fe5076 100644
--- a/block/blk-mq.h
+++ b/block/blk-mq.h
@@ -183,8 +183,6 @@ 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);
--
2.39.2
