#ifndef _LINUX_BLK_MQ_RDMA_H
  #define _LINUX_BLK_MQ_RDMA_H
  
  struct blk_mq_tag_set;
  struct ib_device;
  
  int blk_mq_rdma_map_queues(struct blk_mq_tag_set *set,
  		struct ib_device *dev, int first_vec);
  
  #endif /* _LINUX_BLK_MQ_RDMA_H */