Index: uspace/lib/c/include/vbd.h
===================================================================
--- uspace/lib/c/include/vbd.h	(revision ff381a79ad697b23cc01e3f8a66966d2d2cbd7dc)
+++ uspace/lib/c/include/vbd.h	(revision 91889d5ab500b69c3a8cd21cfadf2bdf7524dc43)
@@ -59,4 +59,6 @@
 	/** Block size */
 	size_t block_size;
+	/** Total number of blocks */
+	aoff64_t nblocks;
 } vbd_disk_info_t;