Index: uspace/srv/fs/fat/fat.c
===================================================================
--- uspace/srv/fs/fat/fat.c	(revision bbddafb037788a7c4dd3bdc6c9835565788cf391)
+++ uspace/srv/fs/fat/fat.c	(revision 5cde90f28d6f66bc48563f05c551bddd6789e087)
@@ -100,4 +100,10 @@
 			fat_mount(callid, &call);
 			break;
+		case VFS_OUT_UNMOUNTED:
+			fat_unmounted(callid, &call);
+			break;
+		case VFS_OUT_UNMOUNT:
+			fat_unmount(callid, &call);
+			break;
 		case VFS_OUT_LOOKUP:
 			fat_lookup(callid, &call);