From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_PASS,USER_AGENT_MUTT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 101B2C10F00 for ; Sat, 9 Mar 2019 18:54:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D753020657 for ; Sat, 9 Mar 2019 18:54:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726425AbfCISyK (ORCPT ); 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 DoPLDayy/e/Azbi9+fRi5396ns2C90NKPwRfL64uLgGXyjTiw4LSgusCIHevpyH4pRgzpblM 775eXl1ennETkg7PoMvGEjHRBdGiGEoj64VMrBgJC55GEv4qDNEjALpzDt2lX4JduT9s6tMM lByxtJBpoUVWL8RTbgqWjguihkXCBTd311f2tscDSJHxhBWGaRMsdsFqvbcLn2YnkpLkdOp3 7+p5TUBBciORyYOcJ2GhSWLs1ONgyCKSJ6aIpTYpEezu3fvVelV+aKytH/WYZ7S5Yn1eJbUu BBNSPRbEGEJjFC/XLOED5FAxGTOgBY3h1MAmsBdcJDnRlqv7YHf4vnvd7ctlTdshS5ni8Nzq vtCxnDTICyOhFISn9ZjOiNLMghqM0VhBwP05HCQNE6b6KBRoO2Jjlhp9OpZZLMvtDjtZ/K3I YJYMueXC8/VTaSEcNkCp48AoJObDuFBMF4YLeF2EgJliTGQG1khZc8vT+FgmeWqIekTXP2I1 YZXwZfkfZrr7GezhqsF0NQ92++l+F0xns/VhtV+snus7G05HBUwoCKUS9uLpsHUQzXvLK5oH uk89mPpYAKw5HX4t2AMQFZMHXSE3p+vOfD6qfkBmn15Y05iF1TvXizme1HmWSWU0iK35fPW1 uS4dKplnGpeKmNFRJmGSfTsjFf7s1b5WWt1aKI5iCcGfbpCMQHrHTqOoED8HLWQGnMO/sSKS yrIm/CNIShlCji62hh8aUgSSaRJ4CsoACbSMUYQ24NUbNSnk5AoEX+GXHzIjQI0WR5HHkR51 pN/EiCq5xZlbav6ASE6D++GJRjh18yE+TkCVRLnvNLlhDyiEZdJ3Rz5MSRLhL+gO74E5neSB 6Rh0MgohXOLj4ZjD1Y60xukFaw6IUtzzpCM78VHgcwdZ9OZDWkZxpqh9o9NdxYCFIQtrfnOG wzJ0cdbN9bvSz5c3PaVzdDaycvu03i6nq1kZsL/LFWg1AvqNWr0GWr1Sf8d16uXRM49FBS2c 3vNxmbXpxIBDgHOaTsjAA8gxi6kTOWhe1s6Hl1FDdjLmHl6XEU9ANyNL3t4MuKlJq7im4/pX IRo69huYmSIU5PqqHssI7C2jSDNzd/nryf0pL09/zucG52DklMZJrTY0txsGYxwlZKj7cDXR TNT6OuNpW1mfbTUBL0MRY0kBehNB0Lnoj8YTBna2sV8EeoMRlTzC75brG3cdGjIABy2Bh0/0 3XXFWtnLdG+ZKti/bsomBzkrosbXVxwh+xF4e8NbhkVIODzsGiZygqnpM5ykjy19Sx6y+FHD cYurIcY5DQQwZsM2F4kMmWFyeO0jlVpG2XIIeNukoMisGkqak6Is98nkUzndH7ZlS/jAYfp8 eYm5jN+Kqy+XzZVh5LqN2lkFX+YOlqmOMVgDbL2x4ceuEVCIEASGWW+5euX1P+U2AM0xfS6X oDgaM2oxE707ngKE6Xb2Y7EvZ/amn+blplzN24s0NZsTyQLYeZhaH4FSpnVH+Tn2cZITSznq AEFEQfGAMzbMZa77LA/v7fzRY2TTmU2TxnrHoMjJL2gRwyh4NCd/szlrzJXpOIJ2v8ZKidUe A1hnQlTYUtmKRW5Oz7ZWJKRy/On7dAeR5c+KYzbbNcSYLT80S/IhxGY2koEY8N3zv/51jnKc 1dbCRhafGwIjwzxhHnNlFQzCNaB5gCWcCipyp4XagcUR7qLFvKOl+jB07kRxUGCeyU3gcbaj EPtVzg776feX0sXegTNx+xZrDiB6FRB8JhF+4wqsqeIZbkKOGALE22PoFAvztiJxBxDlcr19 DQQmOSflkBDTUrR2AJgsZFb/gurKOsxmfRFHhAqnCddZArKTGQcGftR3Nx1rTK0HiwVToB7B EwpVYc5GsXZvtECmnAJoAUcA0qRu+t3N5Z+3J4yUgQSDK+FEYyRauj5h4IxD0Iw7sFQQdPxb JiXuRX0b5LhD+M1xv8QfDg5nzwYS7nF0hnlWDFhKY0EUJhVOFVklkRkrG4xykrTiX4ZFb+4d mXUM/3KUdrwSln8vwDMLt4u/K2+s5e/RlqmEX/H7UEraIVGtiBez49qB7GvvvHLnYpZkHh8X Ii4jsggnExAwDYlVcr5g2y0fcSVAAbIqI9M7ZrTYLv+ZbsvgZT2dl9vm+aJJkUgSes5mH3ji YkJMEhtXgOCmCBUfe+/oENhYeZRjhWBzVMdlQKcJOcaCyrPjBfwFK3KwY6eXHhx2wdy9dusN hqn2RB8GiwxC08j3yajJHjICRcmNJ5cGUKtjjGKsuUDl9+EgK9otOwxjlQ5u7gmEUL6gPSPK era9N0/HggX6sNmst/tTAlQsdjOMQPCw4tHui0eFKVhZnQN3QUDl6I2zqiJ4fJiNM5Jyj4K/ Qg/PGLgFItidj18fxkGKP6/pw21vmil/TXcBX+3228PSxWG7H8D282C/na52dqkADHwZzIEO i4398UQZ8gKR2jSIsiEBa3eUlvn6n5WVmGC5nh/AAr7flv97WIBTGfAr+uE0lUOQ9xIIuOB/ BdvyxSWrd2261yiWQytlcYJpyiNkeCyz9mgdIkrQnLnuXb7eJF7v9p3laiCdbufYEbz4a3CM gF92622g93C7ptF9T6UWHxqq9Xz2/rkZjWXv0JpqfuTIBtFOHAVA61Kdc7erzWHfx64Tc2mW 93kphgu75+R/yMBOabG+trlV3EIRwVDmpMBT0xnwCyZKxuBiCprKlz8B0MgHs8cjidPAnTev b52Jc64ZD1gmhQKwxHcwFP7PcNgDT5JHlNeuKPoAV7iU82t8HHxez7jAAbH2mOesf8bMZMHs ZT372ZVGtnJOLXhmtoBgM9HgTEykGllnzeXHwOqKzCY29mtYrwz2P8pgOp8vrHWHsMuturto BWk8pUbhHtQw47JTqjjDJp89ecYJmEAy9iQZHRTsBvMkZhzcpjwSnBnjiWg7qzU3xEyBW4ef lRgahxJL92g9sLlRzQdJq2QA41jZCLxQFH3QcU8ro3V42S+eDquZpf5J+udnjVMb8wiiWvD4 E7C07IF62L3GihMa4mxpcYT1iXBf2YJjfntz9Rlic49diw0Fy6w5vfYuMWIiS3DX2h3A3F7/ +W8vWIsvlzjvkMHDl8tL57D5Zz9q6uEACza8IOL6+stDYTQlb1DJ3IuHr7coWLFhDh6PxHWS YCEnp6xc363eTjc/FrMdpmNC5dGiShRhVlBGe8sRmFKr6mqIZsF7cpgv1mDgspOB+4DXjYkI g2TxfTuFiHO7PuzBbzgvFG2nyzL4fnh6AnsQ9u1BhMu9zVgkNkNYABdidKhFSOYp5qXmIHIy pryAyNQkEPWkQNFGZsTCe1lPO3iOrGIaNoUvb8uqu4Qdc27TvG3h7Xj243Vnq/RBMn21trAv kSl4KnbHB8r42JOiH4CdDYceRWYeM4Yzn52oJFxbT7jxVogHRZ5k3Gs58wn+OEJ4OJ4JbUuT KDBlEEmxEN+pyrbxAYfHwlWyMrYuTDyBSmjVUc/1rqJbQQZ5hCUO9WNKITL0lLJI/hBynfnC itzjFbmMXBWieSoYgMAl0Crt52bFYrZd79ZP+yB+3ZTbT+Pg+VCCr4qIOZjgIV5aoMnIukOJ lKO8m8IBmI2JISZqhFlgCsDcHTOQp0aQJdgS6rwDJ8H/rLc/m9vbhWId4k8dT071gr5v6JbU 68O2ZaRO/Gxrb1VI2RqBkGbQMoSgsY4gnX1tF55O/OIy4g6nnbHnyUDiBUMOdMi9OleVy/W+ tL4+Jso2Gjc29OprV7VZ7p7ROZnQJ37wq7YJb9upKiyAfd5rV8sPJDzUj8XmQ7DblLPF0znb Uuvy5cv6GYb1mnb11GAL4dtsvcRg6UP2R7Qtyx3osDK4X2/5PYa2uBAP2Pj9YfoCK3eXblyO wvP0bvZgU8y/fJMebD3toRjTHCVYJmwkECnmCdQfjNequ34anC08r5NN+oUHmyKYwWP0YzWA 0Jg35NGy8JBTWyIqUtVMkmsecZt5Szy+E8/AOHqVtnN7XSEC9L8v5IlEn0/BuW91iNT++TGh ZBFQW01FMZIpsQblyotlYwfwlVhKGfgh/w+UN9aJdFJw8KzEfdcqt9CyB1JcfU2FDYs8adgm lj2+F0uQLIttLUWE4vbWU/pygQUl+O0ExU+qSN9okdV8u17MW3XNNFSS4/5wSHCNlnZj6irg n9h8z2yxesYNC+4/8tRAUGBwV8LlhVCAJyDV3KOEdcKFN5K3FX/4OWW0r58jW4OpmLelMtiD VeeRrupLhfQ0EFk/wPb0jTpGtXETm+hTj1m3kFG/QioNjzxKpIIV3uaciLwx+z6XBqevbWWK 9E3hSY9XYB80ym1nDQ47plQ74Iqw09mPjhOvexWVSqXsysN87cpjyMtYa+nb3sFAYSahYji1 XaMSnjN1//ivbatp7r1hCcM8zTNp0r+4LmeH7WL/ijmTI/boSfsymivwasFHZdqpZwPK1BPL HHH9xQ5wrx0P2Y6Efs3kiJdocffudbqcfrTZ2c1i9XE3fSoBYTH/uFjty2d7iY+70nX3ftwt p7OfH/fr5fp1/XG62Uy3y/W20YzqeL6fmUQCvpM94MaWXZRu+JiKWLFxJaqOVQFypDQDRrNp a3s1HCVhqQeaQYwHrpsrRzYODexDIfLDOUTRz3hUbueZz5chxyu2FsxNXmDVDYC5Fp0m8vUV vGkSeeohRwSw82zw+BWZWkFufEexKERNiPHUMh0GvIYPeutd2QvAEy4JH7jNfB3L9KvH8tms q4dGtc/3DZw6rOnFxujw8M0SdjVkFX63fq1tjFgPuAqx7diwNWQrV6zpmdHYwTpl6WYgdWK+ qukjZqClGigQdEuTtLp9qFShxwmBXXCboe6Lbg9jTfAobJXKrVZJhyglm20/P0DWqxYON7rZ gj746XK882UJYUq/I0emWjrTOHQNWKfq+92/vRj3OWfm7ubcAwWRvW1X661w0/rq4JPrewbL Mvu5cweaHb9GwLRtVQ613wbgjn7qOsZErk3VGYyQMFJEsGJCVHp3dXnztU3JzH2Q4O2stP0k bgeicWcpT0FX2TSiGEhPZ2d1hbamP3EYs8lVXR29+cjVHLASrh0Y7JggvuROF8ndtJBpO+Pd 5PgJsYVyRxXXSA0naPWSNSFv3UgqcN8njIxOHRi4ESY2+AEL3C6qtpYaMZWy85cJx5aWsPx+ eH6ueLh2FyyDQXjHUu31ztySFvGNrgzXVjlJPRd0YKCAlqnPS6x2kYO/gPxvvbtr7QKDBiu+ gTX2FcQs8PgJiG1Gx2xL1UI2IpqkjX7Ck7fiht0hIPJsTwEIleNjg2hGEf6LO5XwYxcJvEuQ rGc/D5tKgOPp6rkT8keuQyjPYKWqqc1zPwss4hwUmv3uB0Wa3KMFl8ZjpcBgIAGy4/Jj8GJM kpzVXyVVQJs9krmB4foK7gOC6vVYGva1S4dWdokRY1mHXyoPyqbCzuwcvN+Bp+YqZx+D5WFf /irhh3I/u7i4+NDXfViGrcsgtjX+zX4SYqSwUpjACd9AO4ZFBcn42cDgy7oQC57V2G4Ir0Wf TKqzvW336+5lfBGrz0CUQddqMObwKm8UcY/6pJLLt27KPYc5ag/+nzD0W2rBRXjclxiucKiC u6SGEyT+sN/woOrPfrHjOue9xLQY//FdHJKX4O6zoHtdnfONG4BgVjZA+bX/iRIFU0oq0GF/ sV6DYCM0tt1+KE7TJYvylNafyaiOw3aGDhXJYhwnfEyJlYeo86ENAiwm3NjPxIbdFuEjWFSt tYpZv6+DcvwmozqDM6iNReygc+TOpamaDv63cd4qcKf/bZTtDhbV49v1u/WHZibUyyDOtqVF SIz1epXK/ckQTUTm6/TNB2BjkGd041UHtqj86f8DGbiSUPE6AAA= --envbJBWh7q8WU6mo--