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[209.132.180.67]) by mx.google.com with ESMTP id k14si1061108pgl.40.2019.03.09.10.54.30; Sat, 09 Mar 2019 10:54:46 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726411AbfCISyK (ORCPT + 99 others); Sat, 9 Mar 2019 13:54:10 -0500 Received: from mga11.intel.com ([192.55.52.93]:22003 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726358AbfCISyK (ORCPT ); Sat, 9 Mar 2019 13:54:10 -0500 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 09 Mar 2019 10:54:09 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.58,460,1544515200"; d="gz'50?scan'50,208,50";a="281239318" Received: from lkp-server01.sh.intel.com (HELO lkp-server01) ([10.239.97.150]) by orsmga004.jf.intel.com with ESMTP; 09 Mar 2019 10:54:07 -0800 Received: from kbuild by lkp-server01 with local (Exim 4.89) (envelope-from ) id 1h2h6k-0002ni-3J; Sun, 10 Mar 2019 02:54:06 +0800 Date: Sun, 10 Mar 2019 02:53:57 +0800 From: kbuild test robot To: Andrea Righi Cc: kbuild-all@01.org, Josef Bacik , Tejun Heo , Li Zefan , Paolo Valente , Johannes Weiner , Jens Axboe , Vivek Goyal , Dennis Zhou , cgroups@vger.kernel.org, linux-block@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3] blkcg: prevent priority inversion problem during sync() Message-ID: <201903100216.OQdFKZhP%lkp@intel.com> References: <20190308212806.GA1172@xps-13> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="envbJBWh7q8WU6mo" Content-Disposition: inline In-Reply-To: <20190308212806.GA1172@xps-13> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --envbJBWh7q8WU6mo Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi Andrea, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.0 next-20190306] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Andrea-Righi/blkcg-prevent-priority-inversion-problem-during-sync/20190310-020543 config: riscv-tinyconfig (attached as .config) compiler: riscv64-linux-gcc (GCC) 8.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=8.2.0 make.cross ARCH=riscv All errors (new ones prefixed by >>): fs/sync.c: In function 'sync_fs_one_sb': >> fs/sync.c:83:3: error: implicit declaration of function 'blkcg_start_wb_wait_on_bdi' [-Werror=implicit-function-declaration] blkcg_start_wb_wait_on_bdi(bdi); ^~~~~~~~~~~~~~~~~~~~~~~~~~ >> fs/sync.c:85:3: error: implicit declaration of function 'blkcg_stop_wb_wait_on_bdi' [-Werror=implicit-function-declaration] blkcg_stop_wb_wait_on_bdi(bdi); ^~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/blkcg_start_wb_wait_on_bdi +83 fs/sync.c 77 78 static void sync_fs_one_sb(struct super_block *sb, void *arg) 79 { 80 struct backing_dev_info *bdi = sb->s_bdi; 81 82 if (!sb_rdonly(sb) && sb->s_op->sync_fs) { > 83 blkcg_start_wb_wait_on_bdi(bdi); 84 sb->s_op->sync_fs(sb, *(int *)arg); > 85 blkcg_stop_wb_wait_on_bdi(bdi); 86 } 87 } 88 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation --envbJBWh7q8WU6mo Content-Type: application/gzip Content-Disposition: attachment; filename=".config.gz" Content-Transfer-Encoding: base64 H4sICN8JhFwAAy5jb25maWcAjTvbctu4ku/zFaxM1VZSJ/E4tuOT2S0/QCAoYkQQNABKdl5Y ikQ7qliX1WUm/vttgJJ4a/hsaiax0Y1bo+/d/P233wNy2K+X0/1iNn15eQ2ey1W5ne7LefC0 eCn/JwhlkEoTsJCbC0BOFqvDrz+2i93s7+DLxeXFZTAqt6vyJaDr1dPi+QBTF+vVb7//Bv/9 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