Index: contrib/arch/uspace/lib/libfs/fs_register
===================================================================
--- contrib/arch/uspace/lib/libfs/fs_register	(revision 4b4668e50d198088fac7dd92f331c46d4657a01d)
+++ contrib/arch/uspace/lib/libfs/fs_register	(revision 4b4668e50d198088fac7dd92f331c46d4657a01d)
@@ -0,0 +1,4 @@
+!vfs.VFS_IN_REGISTER ;
+!vfs.IPC_M_DATA_WRITE /* vfs_into_t */ ;
+!vfs.IPC_M_CONNECT_TO_ME ;
+!vfs.IPC_M_SHARE_IN
Index: contrib/arch/uspace/lib/libfs/libfs_lookup
===================================================================
--- contrib/arch/uspace/lib/libfs/libfs_lookup	(revision 4b4668e50d198088fac7dd92f331c46d4657a01d)
+++ contrib/arch/uspace/lib/libfs/libfs_lookup	(revision 4b4668e50d198088fac7dd92f331c46d4657a01d)
@@ -0,0 +1,1 @@
+!fs.VFS_OUT_LOOKUP*
Index: contrib/arch/uspace/lib/libfs/libfs_mount
===================================================================
--- contrib/arch/uspace/lib/libfs/libfs_mount	(revision 4b4668e50d198088fac7dd92f331c46d4657a01d)
+++ contrib/arch/uspace/lib/libfs/libfs_mount	(revision 4b4668e50d198088fac7dd92f331c46d4657a01d)
@@ -0,0 +1,6 @@
+?IPC_M_CONNECTION_CLONE ;
+?IPC_M_DATA_WRITE /* mount options */ {
+	!fs.IPC_M_CONNECT_ME ;
+	!fs.VFS_OUT_MOUNTED ;
+	!fs.IPC_M_DATA_WRITE /* forwarded */
+}
Index: contrib/arch/uspace/lib/libfs/libfs_stat
===================================================================
--- contrib/arch/uspace/lib/libfs/libfs_stat	(revision 4b4668e50d198088fac7dd92f331c46d4657a01d)
+++ contrib/arch/uspace/lib/libfs/libfs_stat	(revision 4b4668e50d198088fac7dd92f331c46d4657a01d)
@@ -0,0 +1,1 @@
+?IPC_M_DATA_READ