- /* Make sure the xen class exists */
- if (!setup_xen_class()) {
- /*
- * This will allow udev to create the blktap ctrl device.
- * We only want to create blktap0 first. We don't want
- * to flood the sysfs system with needless blktap devices.
- * We only create the device when a request of a new device is
- * made.
- */
- class_device_create(xen_class, NULL,
- MKDEV(blktap_major, 0), NULL,
- "blktap0");
- tapfds[0]->sysfs_set = 1;
- } else {
- /* this is bad, but not fatal */
- WPRINTK("blktap: sysfs xen_class not created\n");
- }
-