block: remove rq_list_move

Unused now.

Signed-off-by: Christoph Hellwig <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>

Author: Christoph Hellwig

include/linux/blk-mq.h

@@ -268,23 +268,6 @@ static inline unsigned short req_get_ioprio(struct request *req)
 #define rq_list_next(rq)	(rq)->rq_next
 #define rq_list_empty(list)	((list) == (struct request *) NULL)
 
-/**
- * rq_list_move() - move a struct request from one list to another
- * @src: The source list @rq is currently in
- * @dst: The destination list that @rq will be appended to
- * @rq: The request to move
- * @prev: The request preceding @rq in @src (NULL if @rq is the head)
- */
-static inline void rq_list_move(struct request **src, struct request **dst,
-				struct request *rq, struct request *prev)
-{
-	if (prev)
-		prev->rq_next = rq->rq_next;
-	else
-		*src = rq->rq_next;
-	rq_list_add(dst, rq);
-}
-
 /**
  * enum blk_eh_timer_return - How the timeout handler should proceed
  * @BLK_EH_DONE: The block driver completed the command or will complete it at