ide_tape: kill off use of the ->ioctl operation

Ready to get everything using unlocked_ioctl()

For ide_tape we just push down as this is legacy code anyway
Signed-off-by: NAlan Cox <alan@linux.intel.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/ide/ide-tape.c

@@ -1365,7 +1365,7 @@ static int idetape_mtioctop(ide_drive_t *drive, short mt_op, int mt_count)
  * supported here, and not in the corresponding block interface. Our own
  * ide-tape ioctls are supported on both interfaces.
  */
-static int idetape_chrdev_ioctl(struct inode *inode, struct file *file,
+static long do_idetape_chrdev_ioctl(struct file *file,
 				unsigned int cmd, unsigned long arg)
 {
 	struct ide_tape_obj *tape = file->private_data;
@@ -1420,6 +1420,16 @@ static int idetape_chrdev_ioctl(struct inode *inode, struct file *file,
 	}
 }
 
+static long idetape_chrdev_ioctl(struct file *file,
+				unsigned int cmd, unsigned long arg)
+{
+	long ret;
+	lock_kernel();
+	ret = do_idetape_chrdev_ioctl(file, cmd, arg);
+	unlock_kernel();
+	return ret;
+}
+
 /*
  * Do a mode sense page 0 with block descriptor and if it succeeds set the tape
  * block size with the reported value.
@@ -1888,7 +1898,7 @@ static const struct file_operations idetape_fops = {
 	.owner		= THIS_MODULE,
 	.read		= idetape_chrdev_read,
 	.write		= idetape_chrdev_write,
-	.ioctl		= idetape_chrdev_ioctl,
+	.unlocked_ioctl	= idetape_chrdev_ioctl,
 	.open		= idetape_chrdev_open,
 	.release	= idetape_chrdev_release,
 };