Re: [PATCH] blk-mq: fix stale tag depth for shared sched tags in blk_mq_update_nr_requests()

[Ming Lei]

On Wed, Oct 15, 2025 at 9:56 AM Yu Kuai <yukuai3@xxxxxxxxxx> wrote:
>
> Commit 7f2799c546db ("blk-mq: cleanup shared tags case in
> blk_mq_update_nr_requests()") moves blk_mq_tag_update_sched_shared_tags()
> before q->nr_requests is updated, however, it's still using the old
> q->nr_requests to resize tag depth.
>
> Fix this problem by passing in expected new tag depth.
>
> Fixes: 7f2799c546db ("blk-mq: cleanup shared tags case in blk_mq_update_nr_requests()")
> Signed-off-by: Yu Kuai <yukuai3@xxxxxxxxxx>

Reviewed-by: Ming Lei <ming.lei@xxxxxxxxxx>