They are unused and ->busy doesn't exist anymore.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
/*
* tag stuff
*/
-#define blk_queue_tag_depth(q) ((q)->queue_tags->busy)
-#define blk_queue_tag_queue(q) ((q)->queue_tags->busy < (q)->queue_tags->max_depth)
#define blk_rq_tagged(rq) ((rq)->cmd_flags & REQ_QUEUED)
extern int blk_queue_start_tag(struct request_queue *, struct request *);
extern struct request *blk_queue_find_tag(struct request_queue *, int);