+int scsi_setup_blk_pc_cmnd(struct scsi_device *sdev, struct request *req);
+int scsi_setup_fs_cmnd(struct scsi_device *sdev, struct request *req);
+int scsi_prep_state_check(struct scsi_device *sdev, struct request *req);
+int scsi_prep_return(struct request_queue *q, struct request *req, int ret);
+