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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 29310E66886 for ; Sun, 21 Dec 2025 13:02:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Zy6waU7EezOvcAwAlD3ROgn9Xyow4GE/ZTEdH+hEbbM=; b=bV/dSS9RxfGy3hfO5WZQTgkLoX Ufzn/gU7Tj0sKXBpJrOwtz3v4G16PPXAS7CpLkGOnZ0f63hcK2C2dtnV9vRCQnsUSBr9JH6O3Uzai TnSeIomV3UYbMnGCxd54TPATQrwW7sKf8Hx/gi71YmGCRAmrWgL1pyeWeak0xOwad5xrE1Szoav7k yxFApirpPrfzXjizLEjAB4I7WpB+CAaLrtbpUIlP1xcvVU+/Z9wDOOsSfsV23ESjO0JayiN6qHDcK zeMLAwv/indOGn5cpHAL9r3eevqduD7uECp9FPxA/cTS4ZD+SKn4b3hrAGgRH5bdxI4rd0Ctp4TCQ jYEhAdkQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vXJ4Y-0000000CRwK-2xmo; Sun, 21 Dec 2025 13:02:06 +0000 Received: from mgamail.intel.com ([192.198.163.17]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vXJ4V-0000000CRvw-0lR8 for linux-nvme@lists.infradead.org; Sun, 21 Dec 2025 13:02:05 +0000 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: /99mV2a/TSW2GKGN4Sp0gw== X-CSE-MsgGUID: JpzbK3gpSBWZ0deDHEMj/A== X-IronPort-AV: E=McAfee;i="6800,10657,11649"; a="68084630" X-IronPort-AV: E=Sophos;i="6.21,166,1763452800"; d="scan'208";a="68084630" 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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251220173833.71176-1-vitalifster@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251221_050203_637068_84A6CDC9 X-CRM114-Status: GOOD ( 10.39 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org 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