From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Rothwell Subject: linux-next: build warnings after merge of the overlayfs tree Date: Wed, 8 Mar 2017 10:16:43 +1100 Message-ID: <20170308101643.0bc34e88@canb.auug.org.au> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Received: from ozlabs.org ([103.22.144.67]:43961 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933426AbdCHA4H (ORCPT ); Tue, 7 Mar 2017 19:56:07 -0500 Sender: linux-next-owner@vger.kernel.org List-ID: To: Miklos Szeredi Cc: linux-next@vger.kernel.org, linux-kernel@vger.kernel.org, Amir Goldstein Hi Miklos, After merging the overlayfs tree, today's linux-next build (powerpc ppc64_defconfig) produced these warnings: fs/overlayfs/inode.c:322:30: warning: 'ovl_i_mutex_key' defined but not used [-Wunused-variable] static struct lock_class_key ovl_i_mutex_key[FILESYSTEM_MAX_STACK_DEPTH]; ^ fs/overlayfs/inode.c:323:30: warning: 'ovl_i_mutex_dir_key' defined but not used [-Wunused-variable] static struct lock_class_key ovl_i_mutex_dir_key[FILESYSTEM_MAX_STACK_DEPTH]; ^ Introduced by commit a41471e8eff8 ("ovl: lockdep annotate of nested stacked overlayfs inode lock") CONFIG_LOCKDEP is not set for this build. -- Cheers, Stephen Rothwell