Index: lvm2-2.02.29/lib/filters/filter.c
===================================================================
--- lvm2-2.02.29.orig/lib/filters/filter.c	2008-02-11 14:49:55.000000000 +0000
+++ lvm2-2.02.29/lib/filters/filter.c	2008-02-11 14:50:42.000000000 +0000
@@ -77,6 +77,7 @@
 	{"xvd", 16},		/* Xen virtual block device */
 	{"vdisk", 8},		/* SUN's LDOM virtual block device */
 	{"ps3disk", 16},	/* PlayStation 3 internal disk */
+	{"virtblk", 16},	/* Virtio block device */
 	{NULL, 0}
 };