Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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>
authored by
Yu Kuai
and committed by
Jens Axboe
97840411
b8643372
-34
-32
block/blk-mq-tag.c
-32
block/blk-mq-tag.c
···
609
609
call_srcu(&set->tags_srcu, &tags->rcu_head, blk_mq_free_tags_callback);
610
610
}
611
611
612
-
int blk_mq_tag_update_depth(struct blk_mq_hw_ctx *hctx,
613
-
struct blk_mq_tags **tagsptr, unsigned int tdepth)
614
-
{
615
-
struct blk_mq_tags *tags = *tagsptr;
616
-
617
-
/*
618
-
* If we are allowed to grow beyond the original size, allocate
619
-
* a new set of tags before freeing the old one.
620
-
*/
621
-
if (tdepth > tags->nr_tags) {
622
-
struct blk_mq_tag_set *set = hctx->queue->tag_set;
623
-
struct blk_mq_tags *new;
624
-
625
-
new = blk_mq_alloc_map_and_rqs(set, hctx->queue_num, tdepth);
626
-
if (!new)
627
-
return -ENOMEM;
628
-
629
-
blk_mq_free_map_and_rqs(set, *tagsptr, hctx->queue_num);
630
-
hctx->queue->elevator->et->tags[hctx->queue_num] = new;
631
-
*tagsptr = new;
632
-
} else {
633
-
/*
634
-
* Don't need (or can't) update reserved tags here, they
635
-
* remain static and should never need resizing.
636
-
*/
637
-
sbitmap_queue_resize(&tags->bitmap_tags,
638
-
tdepth - tags->nr_reserved_tags);
639
-
}
640
-
641
-
return 0;
642
-
}
643
-
644
612
void blk_mq_tag_resize_shared_tags(struct blk_mq_tag_set *set, unsigned int size)
645
613
{
646
614
struct blk_mq_tags *tags = set->shared_tags;
-2
block/blk-mq.h
-2
block/blk-mq.h
···
184
184
void blk_mq_put_tag(struct blk_mq_tags *tags, struct blk_mq_ctx *ctx,
185
185
unsigned int tag);
186
186
void blk_mq_put_tags(struct blk_mq_tags *tags, int *tag_array, int nr_tags);
187
-
int blk_mq_tag_update_depth(struct blk_mq_hw_ctx *hctx,
188
-
struct blk_mq_tags **tags, unsigned int depth);
189
187
void blk_mq_tag_resize_shared_tags(struct blk_mq_tag_set *set,
190
188
unsigned int size);
191
189
void blk_mq_tag_update_sched_shared_tags(struct request_queue *q);