diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index c0d2b79..e711f29 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -794,7 +794,7 @@
 extern int sg_scsi_ioctl(struct request_queue *, struct gendisk *, fmode_t,
 			 struct scsi_ioctl_command __user *);
 
-extern int blk_queue_enter(struct request_queue *q, gfp_t gfp);
+extern int blk_queue_enter(struct request_queue *q, bool nowait);
 extern void blk_queue_exit(struct request_queue *q);
 extern void blk_start_queue(struct request_queue *q);
 extern void blk_stop_queue(struct request_queue *q);