qubes-linux-kernel/patches.xen/pvops-blkfront-eject-support.patch

--- linux-3.4.1.orig/drivers/block/xen-blkfront.c	2012-06-01 09:18:44.000000000 +0200
+++ linux-3.4.1/drivers/block/xen-blkfront.c	2012-07-15 15:54:31.350255623 +0200
@@ -44,6 +44,7 @@
 #include <linux/scatterlist.h>
 #include <linux/bitmap.h>
 #include <linux/list.h>
+#include <linux/fd.h>
 
 #include <xen/xen.h>
 #include <xen/xenbus.h>
@@ -241,6 +264,9 @@
 			return 0;
 		return -EINVAL;
 	}
+	case FDEJECT:
+		xenbus_switch_state(info->xbdev, XenbusStateClosing);
+		return 0;
 
 	default:
 		/*printk(KERN_ALERT "ioctl %08x not supported by Xen blkdev\n",