diff --git a/drivers/block/viodasd.c b/drivers/block/viodasd.c
index 7f7beec..ecccf65 100644
--- a/drivers/block/viodasd.c
+++ b/drivers/block/viodasd.c
@@ -130,15 +130,15 @@
 /*
  * External open entry point.
  */
-static int viodasd_open(struct inode *ino, struct file *fil)
+static int viodasd_open(struct block_device *bdev, fmode_t mode)
 {
-	struct viodasd_device *d = ino->i_bdev->bd_disk->private_data;
+	struct viodasd_device *d = bdev->bd_disk->private_data;
 	HvLpEvent_Rc hvrc;
 	struct viodasd_waitevent we;
 	u16 flags = 0;
 
 	if (d->read_only) {
-		if ((fil != NULL) && (fil->f_mode & FMODE_WRITE))
+		if (mode & FMODE_WRITE)
 			return -EROFS;
 		flags = vioblockflags_ro;
 	}
@@ -179,9 +179,9 @@
 /*
  * External release entry point.
  */
-static int viodasd_release(struct inode *ino, struct file *fil)
+static int viodasd_release(struct gendisk *disk, fmode_t mode)
 {
-	struct viodasd_device *d = ino->i_bdev->bd_disk->private_data;
+	struct viodasd_device *d = disk->private_data;
 	HvLpEvent_Rc hvrc;
 
 	/* Send the event to OS/400.  We DON'T expect a response */
@@ -221,8 +221,8 @@
  */
 static struct block_device_operations viodasd_fops = {
 	.owner = THIS_MODULE,
-	.__open = viodasd_open,
-	.__release = viodasd_release,
+	.open = viodasd_open,
+	.release = viodasd_release,
 	.getgeo = viodasd_getgeo,
 };