Index: uspace/srv/fs/fat/fat.c
===================================================================
--- uspace/srv/fs/fat/fat.c	(revision bbddafb037788a7c4dd3bdc6c9835565788cf391)
+++ uspace/srv/fs/fat/fat.c	(revision 3c11713f9fe58a2b3a19f2e9e4bfc0f709a63c2e)
@@ -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);