+static void blk_mq_update_available_driver_tags(struct blk_mq_hw_ctx *hctx)
+{
+ struct blk_mq_tags *tags = hctx->tags;
+ unsigned int nr_tags;
+ struct tag_sharing *tag_sharing;
+
+ if (tags->ctl.share_queues <= 1)
+ nr_tags = tags->nr_tags;
+ else
+ nr_tags = max((tags->nr_tags + tags->ctl.share_queues - 1) /
+ tags->ctl.share_queues, 4U);
+
+ list_for_each_entry(tag_sharing, &tags->ctl.head, node)
+ tag_sharing->available_tags = nr_tags;
+}