Index: uspace/lib/c/include/ipc/vol.h
===================================================================
--- uspace/lib/c/include/ipc/vol.h	(revision 372df8f916002c4dcfde6b3bfe02589b3c2f10da)
+++ uspace/lib/c/include/ipc/vol.h	(revision ea0ff6b69b253afa7b6b4e9cd38ef8e91ec0daab)
@@ -38,4 +38,5 @@
 typedef enum {
 	VOL_GET_PARTS = IPC_FIRST_USER_METHOD,
+	VOL_PART_ADD,
 	VOL_PART_INFO,
 	VOL_PART_EMPTY