Index: uspace/lib/c/include/ipc/vfs.h
===================================================================
--- uspace/lib/c/include/ipc/vfs.h	(revision 64d2b101abaf56a6f7c27f0d6b099785aa173f36)
+++ uspace/lib/c/include/ipc/vfs.h	(revision 14aa03aefa0b16c9ab45004d2aae1856af366cb4)
@@ -69,4 +69,5 @@
 	VFS_IN_FSTAT,
 	VFS_IN_CLOSE,
+	VFS_IN_PING,
 	VFS_IN_MOUNT,
 	VFS_IN_UNMOUNT,