In file included from fs/aufs/branch.h:33,
                 from fs/aufs/aufs.h:38,
                 from fs/aufs/module.c:25:
fs/aufs/super.h: In function 'au_sbilist_add':
fs/aufs/super.h:309: error: parameter name omitted
fs/aufs/super.h: In function 'au_sbilist_del':
fs/aufs/super.h:310: error: parameter name omitted
make[2]: *** [fs/aufs/module.o] Error 1
make[1]: *** [fs/aufs] Error 2
make: *** [fs] Error 2
make: *** Waiting for unfinished jobs....
  CC      crypto/proc.o