COMPATIBLE_IOCTL(BIODASDCMFDISABLE)
 COMPATIBLE_IOCTL(BIODASDREADALLCMB)
 
-COMPATIBLE_IOCTL(TUBICMD)
-COMPATIBLE_IOCTL(TUBOCMD)
-COMPATIBLE_IOCTL(TUBGETI)
-COMPATIBLE_IOCTL(TUBGETO)
-COMPATIBLE_IOCTL(TUBSETMOD)
-COMPATIBLE_IOCTL(TUBGETMOD)
-
 COMPATIBLE_IOCTL(TAPE390_DISPLAY)
 
 /* s390 doesn't need handlers here */
 
 /*
  * process ioctl commands for the tube driver
  */
-static int
-fs3270_ioctl(struct inode *inode, struct file *filp,
-            unsigned int cmd, unsigned long arg)
+static long
+fs3270_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
        struct fs3270 *fp;
        struct raw3270_iocb iocb;
        if (!fp)
                return -ENODEV;
        rc = 0;
+       lock_kernel();
        switch (cmd) {
        case TUBICMD:
                fp->read_command = arg;
                        rc = -EFAULT;
                break;
        }
+       unlock_kernel();
        return rc;
 }
 
 }
 
 static struct file_operations fs3270_fops = {
-       .owner   = THIS_MODULE,         /* owner */
-       .read    = fs3270_read,         /* read */
-       .write   = fs3270_write,        /* write */
-       .ioctl   = fs3270_ioctl,        /* ioctl */
-       .open    = fs3270_open,         /* open */
-       .release = fs3270_close,        /* release */
+       .owner           = THIS_MODULE,         /* owner */
+       .read            = fs3270_read,         /* read */
+       .write           = fs3270_write,        /* write */
+       .unlocked_ioctl  = fs3270_ioctl,        /* ioctl */
+       .compat_ioctl    = fs3270_ioctl,        /* ioctl */
+       .open           = fs3270_open,          /* open */
+       .release        = fs3270_close,         /* release */
 };
 
 /*