On Mon, Aug 09, 2021 at 10:29:30PM +0800, John Garry wrote: > For shared sbitmap, if the call to blk_mq_tag_update_depth() was > successful for any hctx when hctx->sched_tags is not set, then it would be > successful for all (due to nature in which blk_mq_tag_update_depth() > fails). > > As such, there is no need to call blk_mq_tag_resize_shared_sbitmap() for > each hctx. So relocate the call until after the hctx iteration under the > !q->elevator check, which is equivalent (to !hctx->sched_tags). > > Signed-off-by: John Garry <john.garry@xxxxxxxxxx> Reviewed-by: Ming Lei <ming.lei@xxxxxxxxxx> -- Ming