From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1A3E3149E17 for ; Sun, 21 Dec 2025 13:02:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.17 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766322124; cv=none; b=a3AqDK/JtdeybdhoSo3AMNp5rbne827gc3r0T6F5C/qPBUyonBzovU/pHlL3W4XB5oslzWrE5v4vo9loWE5obZywFcyDkHcP0BM9A8OIlgCLO71wZxyUgpS+a1jumVMyj79niiVjCodVcXi0olbBiz3J0WwGDB3btXapcQAoe04= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766322124; c=relaxed/simple; bh=IelPuQfpRKpMJVdVfQngugsAIYeDlUYPxZTLwugxbgg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=P/K/2Kdt/SLlGDfhjTfu40LjFWSxvBSov90LzlfaPc8kupbqkHJNBy3Oet5e7C8Tqg76YuCilBLc9IpSfVcaW9nxDTes4OcQ7HrxWN06H81G3H74D0LxDxeMY5abfluqACIkPhzvfFvUxUDXhOJv09+tzyPQMZq1f6dyTRukuAc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=ER1Ik8HC; arc=none smtp.client-ip=192.198.163.17 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="ER1Ik8HC" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1766322123; x=1797858123; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=IelPuQfpRKpMJVdVfQngugsAIYeDlUYPxZTLwugxbgg=; b=ER1Ik8HCkSNidPJusuCBSOzgpU6+wfTGksbvdFIGtuHm7Y1lcBoU8Y1U aBQ0wiVv1AiQk3LOw8kXVa+sV8tKoHOwQH4upbPYSfcnz/EzZ3LvNPW14 pYfC+flf8P7VtLfdd+UO3qVsC7Vv7cbpX+EfKHDtUt5pNjC6A7YIjqrzQ BOPaY4Zfde0tcxKUWxWLtEi+MmzUeDfQ1nplyxjkmj6wtNaGYRnaUjvL0 AVjKZ3l9gzQxjgAG4y9M6DouCsxZXRSgIrcIUzWh6QloqdavYB/rIkifo aVdrNYMjnk0i82vHwQetNotFl0MRMraQPY/WXn7vsUyO862uBVx9CvkZC w==; X-CSE-ConnectionGUID: W3DRQuDKRcK1CZO7xiMGsQ== X-CSE-MsgGUID: r90nVl9PRZSjKbIKgE3jRQ== X-IronPort-AV: E=McAfee;i="6800,10657,11649"; a="68084632" X-IronPort-AV: E=Sophos;i="6.21,166,1763452800"; d="scan'208";a="68084632" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Dec 2025 05:02:02 -0800 X-CSE-ConnectionGUID: tSMa9SGsQR6X4MkfEPOybw== X-CSE-MsgGUID: zpzgTZWNSviZ9bksHBD5rw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,166,1763452800"; d="scan'208";a="198547878" Received: from igk-lkp-server01.igk.intel.com (HELO 8a0c053bdd2a) ([10.211.93.152]) by orviesa010.jf.intel.com with ESMTP; 21 Dec 2025 05:02:01 -0800 Received: from kbuild by 8a0c053bdd2a with local (Exim 4.98.2) (envelope-from ) id 1vXJ4Q-00000000548-17Dx; Sun, 21 Dec 2025 13:01:58 +0000 Date: Sun, 21 Dec 2025 14:01:10 +0100 From: kernel test robot To: Vitaliy Filippov , linux-block@vger.kernel.org, linux-nvme@lists.infradead.org Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Vitaliy Filippov Subject: Re: [PATCH] Do not require atomic writes to be power of 2 sized and aligned on length boundary Message-ID: <202512211420.W7jr2osh-lkp@intel.com> References: <20251220173833.71176-1-vitalifster@gmail.com> Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251220173833.71176-1-vitalifster@gmail.com> Hi Vitaliy, kernel test robot noticed the following build warnings: [auto build test WARNING on brauner-vfs/vfs.all] [also build test WARNING on linus/master v6.19-rc1 next-20251219] [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/Vitaliy-Filippov/Do-not-require-atomic-writes-to-be-power-of-2-sized-and-aligned-on-length-boundary/20251221-014115 base: https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git vfs.all patch link: https://lore.kernel.org/r/20251220173833.71176-1-vitalifster%40gmail.com patch subject: [PATCH] Do not require atomic writes to be power of 2 sized and aligned on length boundary config: x86_64-kexec (https://download.01.org/0day-ci/archive/20251221/202512211420.W7jr2osh-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251221/202512211420.W7jr2osh-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202512211420.W7jr2osh-lkp@intel.com/ All warnings (new ones prefixed by >>): >> fs/read_write.c:1805:9: warning: unused variable 'len' [-Wunused-variable] 1805 | size_t len = iov_iter_count(iter); | ^~~ 1 warning generated. vim +/len +1805 fs/read_write.c c34fc6f26ab86d Prasad Singamsetty 2024-06-20 1802 c3be7ebbbce520 John Garry 2024-10-19 1803 int generic_atomic_write_valid(struct kiocb *iocb, struct iov_iter *iter) c34fc6f26ab86d Prasad Singamsetty 2024-06-20 1804 { c34fc6f26ab86d Prasad Singamsetty 2024-06-20 @1805 size_t len = iov_iter_count(iter); -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki