diff --git a/drivers/message/i2o/i2o_block.c b/drivers/message/i2o/i2o_block.c
index 71500dda8eb3..11a617ab4243 100644
--- a/drivers/message/i2o/i2o_block.c
+++ b/drivers/message/i2o/i2o_block.c
@@ -575,9 +575,9 @@ static void i2o_block_biosparam(unsigned long capacity, unsigned short *cyls,
  *
  *	Returns 0 on success or negative error code on failure.
  */
-static int i2o_block_open(struct inode *inode, struct file *file)
+static int i2o_block_open(struct block_device *bdev, fmode_t mode)
 {
-	struct i2o_block_device *dev = inode->i_bdev->bd_disk->private_data;
+	struct i2o_block_device *dev = bdev->bd_disk->private_data;
 
 	if (!dev->i2o_dev)
 		return -ENODEV;
@@ -604,9 +604,8 @@ static int i2o_block_open(struct inode *inode, struct file *file)
  *
  *	Returns 0 on success or negative error code on failure.
  */
-static int i2o_block_release(struct inode *inode, struct file *file)
+static int i2o_block_release(struct gendisk *disk, fmode_t mode)
 {
-	struct gendisk *disk = inode->i_bdev->bd_disk;
 	struct i2o_block_device *dev = disk->private_data;
 	u8 operation;
 
@@ -653,10 +652,10 @@ static int i2o_block_getgeo(struct block_device *bdev, struct hd_geometry *geo)
  *
  *	Return 0 on success or negative error on failure.
  */
-static int i2o_block_ioctl(struct inode *inode, struct file *file,
+static int i2o_block_ioctl(struct block_device *bdev, fmode_t mode,
 			   unsigned int cmd, unsigned long arg)
 {
-	struct gendisk *disk = inode->i_bdev->bd_disk;
+	struct gendisk *disk = bdev->bd_disk;
 	struct i2o_block_device *dev = disk->private_data;
 
 	/* Anyone capable of this syscall can do *real bad* things */
@@ -931,9 +930,9 @@ static void i2o_block_request_fn(struct request_queue *q)
 /* I2O Block device operations definition */
 static struct block_device_operations i2o_block_fops = {
 	.owner = THIS_MODULE,
-	.__open = i2o_block_open,
-	.__release = i2o_block_release,
-	.__ioctl = i2o_block_ioctl,
+	.open = i2o_block_open,
+	.release = i2o_block_release,
+	.locked_ioctl = i2o_block_ioctl,
 	.getgeo = i2o_block_getgeo,
 	.media_changed = i2o_block_media_changed
 };