On Mon, Oct 18, 2021 at 11:51:08AM -0600, Jens Axboe wrote: > This is in the fast path of driver issue or completion, and it's a single > array index operation. Move it inline to avoid a function call for it. > > This does mean making struct blk_mq_tags block layer public, but there's > not really much in there. I don't really like exposing more data structures if we can avoid it, but if this makes a big enough difference: Reviewed-by: Christoph Hellwig <hch@xxxxxx>