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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9E06EC77B73 for ; Tue, 2 May 2023 16:07:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233280AbjEBQH1 (ORCPT ); Tue, 2 May 2023 12:07:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40478 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229457AbjEBQHY (ORCPT ); Tue, 2 May 2023 12:07:24 -0400 Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D5FBD1997; Tue, 2 May 2023 09:07:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1683043643; x=1714579643; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=I2QZzh9qzfdA9J2tzysHsjo8wxyPgdS/fULekpS2MxY=; b=SaDX/cbyrYqWsQWRUqNL/jikPr4MQnNnmit81WvwgMmjTVpHVy6IRemF grJ+s9eonlk3/XjqoZ8hPngiX63BU6SLPj0mU11MsGrzRTBR689MOaWyF mocVWAVRRt9qmrRL0qlSN+nqt6z2FOXAG+IFMhS2O76Z7PEZoLJBbX0W8 EC41utJMdM5zmfPBFyLH6erU0i7OxQzUPjxPZyokg14K3F+ETRru3a+/Z Yp65CuW1DUdBo+xX/FXm9M8cyWGbsRlpMv1lmdtkZ8nU8XCO9qChtp5hh RYs3kMEpq5dRs2C/tZtFglplrzn0Y89ZxtJkpgXNpGtPKmiT4xqhKoq6Y w==; X-IronPort-AV: E=McAfee;i="6600,9927,10698"; a="337563677" X-IronPort-AV: E=Sophos;i="5.99,244,1677571200"; d="scan'208";a="337563677" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 May 2023 09:04:35 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10698"; a="696238977" X-IronPort-AV: E=Sophos;i="5.99,244,1677571200"; d="scan'208";a="696238977" Received: from lkp-server01.sh.intel.com (HELO e3434d64424d) ([10.239.97.150]) by orsmga002.jf.intel.com with ESMTP; 02 May 2023 09:04:30 -0700 Received: from kbuild by e3434d64424d with local (Exim 4.96) (envelope-from ) id 1ptsUP-000196-0O; Tue, 02 May 2023 16:04:29 +0000 Date: Wed, 3 May 2023 00:04:28 +0800 From: kernel test robot To: Ajay Kaher , rostedt@goodmis.org, mhiramat@kernel.org, shuah@kernel.org Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, chinglinyu@google.com, namit@vmware.com, srivatsab@vmware.com, srivatsa@csail.mit.edu, amakhalov@vmware.com, vsirnapalli@vmware.com, tkundu@vmware.com, er.ajay.kaher@gmail.com, Ajay Kaher Subject: Re: [PATCH v2 4/9] eventfs: adding eventfs file, directory remove function Message-ID: <202305022354.fzV9RKTT-lkp@intel.com> References: <1683026600-13485-5-git-send-email-akaher@vmware.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1683026600-13485-5-git-send-email-akaher@vmware.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Ajay, kernel test robot noticed the following build warnings: [auto build test WARNING on shuah-kselftest/next] [also build test WARNING on shuah-kselftest/fixes linus/master v6.3 next-20230428] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Ajay-Kaher/eventfs-introducing-struct-tracefs_inode/20230502-192949 base: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git next patch link: https://lore.kernel.org/r/1683026600-13485-5-git-send-email-akaher%40vmware.com patch subject: [PATCH v2 4/9] eventfs: adding eventfs file, directory remove function config: i386-randconfig-a011-20230501 (https://download.01.org/0day-ci/archive/20230502/202305022354.fzV9RKTT-lkp@intel.com/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/9a36b39da0c3fbfe15a3c3a0ed71b52013bac292 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Ajay-Kaher/eventfs-introducing-struct-tracefs_inode/20230502-192949 git checkout 9a36b39da0c3fbfe15a3c3a0ed71b52013bac292 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash fs/tracefs/ kernel/trace/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Link: https://lore.kernel.org/oe-kbuild-all/202305022354.fzV9RKTT-lkp@intel.com/ All warnings (new ones prefixed by >>): >> fs/tracefs/event_inode.c:379:6: warning: no previous prototype for function 'eventfs_remove_rec' [-Wmissing-prototypes] void eventfs_remove_rec(struct eventfs_file *ef) ^ fs/tracefs/event_inode.c:379:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void eventfs_remove_rec(struct eventfs_file *ef) ^ static fs/tracefs/event_inode.c:31:29: warning: unused function 'eventfs_dentry_to_rwsem' [-Wunused-function] static struct rw_semaphore *eventfs_dentry_to_rwsem(struct dentry *dentry) ^ fs/tracefs/event_inode.c:47:13: warning: unused function 'eventfs_down_read' [-Wunused-function] static void eventfs_down_read(struct rw_semaphore *eventfs_rwsem) ^ fs/tracefs/event_inode.c:58:13: warning: unused function 'eventfs_up_read' [-Wunused-function] static void eventfs_up_read(struct rw_semaphore *eventfs_rwsem) ^ 4 warnings generated. vim +/eventfs_remove_rec +379 fs/tracefs/event_inode.c 371 372 /** 373 * eventfs_remove_rec - remove eventfs dir or file from list 374 * @ef: a pointer to eventfs_file to be removed. 375 * 376 * This function recursively remove eventfs_file which 377 * contains info of file or dir. 378 */ > 379 void eventfs_remove_rec(struct eventfs_file *ef) 380 { 381 struct eventfs_file *ef_child, *n; 382 383 if (!ef) 384 return; 385 386 if (ef->ei) { 387 /* search for nested folders or files */ 388 list_for_each_entry_safe(ef_child, n, &ef->ei->e_top_files, list) { 389 eventfs_remove_rec(ef_child); 390 } 391 kfree(ef->ei); 392 } 393 394 if (ef->created && ef->dentry) { 395 d_invalidate(ef->dentry); 396 dput(ef->dentry); 397 } 398 list_del(&ef->list); 399 kfree(ef->name); 400 kfree(ef); 401 } 402 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests