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 CAB5DC433EF for ; Thu, 28 Apr 2022 15:55:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345633AbiD1P6l (ORCPT ); Thu, 28 Apr 2022 11:58:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46914 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1348580AbiD1P6i (ORCPT ); Thu, 28 Apr 2022 11:58:38 -0400 Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3083D18B2E; Thu, 28 Apr 2022 08:55:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1651161323; x=1682697323; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=9BimimfYrZUnTbXW408UFheZhJCa7AI21cga9+oD2hA=; b=EZst4Pbs5+KuuLWn5XzI6rhNqYdkapoyxSu6PLTHQcmBbvX6rkncejHK 4LvLxmo1yf97CD7qDkJvZDzv034uvF0QytL+oXLMza1avfDIaBukyYAi3 EJwF3AhSdL9LtXGdVvCFMhre5/TU4ps6qX5dfhLsNRwpCqIjC9rDuUUkd 6/HE7iZfwwZiHyIT8Qu8s1dX7vpCVN1Or2xI7Q1PG6qWeQ31gmDrb2ag5 XVmd7rNU8tuZiEMTGVYM7qXcAL2MOzLWkRVCOKr1kxwxeUj5PmepNuwec WmjHDPyGptWxyxbdZKyUvpuXydWQofdvuu2nrAaGzRylgg+LRocMajDlS A==; X-IronPort-AV: E=McAfee;i="6400,9594,10331"; a="266490779" X-IronPort-AV: E=Sophos;i="5.91,295,1647327600"; d="scan'208";a="266490779" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Apr 2022 08:55:22 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.91,295,1647327600"; d="scan'208";a="514363012" Received: from lkp-server01.sh.intel.com (HELO 5056e131ad90) ([10.239.97.150]) by orsmga003.jf.intel.com with ESMTP; 28 Apr 2022 08:55:15 -0700 Received: from kbuild by 5056e131ad90 with local (Exim 4.95) (envelope-from ) id 1nk6U6-0005VH-CQ; Thu, 28 Apr 2022 15:55:14 +0000 Date: Thu, 28 Apr 2022 23:54:46 +0800 From: kernel test robot To: Nitesh Shetty Cc: kbuild-all@lists.01.org, chaitanyak@nvidia.com, linux-block@vger.kernel.org, linux-scsi@vger.kernel.org, dm-devel@redhat.com, linux-nvme@lists.infradead.org, linux-fsdevel@vger.kernel.org, axboe@kernel.dk, msnitzer@redhat.com, bvanassche@acm.org, martin.petersen@oracle.com, hare@suse.de, kbusch@kernel.org, hch@lst.de, Frederick.Knight@netapp.com, osandov@fb.com, lsf-pc@lists.linux-foundation.org, djwong@kernel.org, josef@toxicpanda.com, clm@fb.com, dsterba@suse.com, tytso@mit.edu, jack@suse.com, nitheshshetty@gmail.com, gost.dev@samsung.com, Nitesh Shetty , Alasdair Kergon , Mike Snitzer , Sagi Grimberg , James Smart , Chaitanya Kulkarni Subject: Re: [PATCH v4 07/10] dm: Add support for copy offload. Message-ID: <202204282336.7AY0GVKz-lkp@intel.com> References: <20220426101241.30100-8-nj.shetty@samsung.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220426101241.30100-8-nj.shetty@samsung.com> Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Hi Nitesh, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on next-20220422] [cannot apply to axboe-block/for-next device-mapper-dm/for-next linus/master v5.18-rc4 v5.18-rc3 v5.18-rc2 v5.18-rc4] [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] url: https://github.com/intel-lab-lkp/linux/commits/Nitesh-Shetty/block-Introduce-queue-limits-for-copy-offload-support/20220426-201825 base: e7d6987e09a328d4a949701db40ef63fbb970670 config: s390-randconfig-s032-20220427 (https://download.01.org/0day-ci/archive/20220428/202204282336.7AY0GVKz-lkp@intel.com/config) compiler: s390-linux-gcc (GCC) 11.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-dirty # https://github.com/intel-lab-lkp/linux/commit/913c8c5197fea28ee3c8424e16eadd8b159a91f0 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Nitesh-Shetty/block-Introduce-queue-limits-for-copy-offload-support/20220426-201825 git checkout 913c8c5197fea28ee3c8424e16eadd8b159a91f0 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=s390 SHELL=/bin/bash drivers/md/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) >> drivers/md/dm.c:1602:24: sparse: sparse: incorrect type in return expression (different base types) @@ expected restricted blk_status_t @@ got int @@ drivers/md/dm.c:1602:24: sparse: expected restricted blk_status_t drivers/md/dm.c:1602:24: sparse: got int vim +1602 drivers/md/dm.c 1582 1583 /* 1584 * Select the correct strategy for processing a non-flush bio. 1585 */ 1586 static blk_status_t __split_and_process_bio(struct clone_info *ci) 1587 { 1588 struct bio *clone; 1589 struct dm_target *ti; 1590 unsigned len; 1591 1592 ti = dm_table_find_target(ci->map, ci->sector); 1593 if (unlikely(!ti)) 1594 return BLK_STS_IOERR; 1595 else if (unlikely(ci->is_abnormal_io)) 1596 return __process_abnormal_io(ci, ti); 1597 1598 if ((unlikely(op_is_copy(ci->bio->bi_opf)) && 1599 max_io_len(ti, ci->sector) < ci->sector_count)) { 1600 DMERR("%s: Error IO size(%u) is greater than maximum target size(%llu)\n", 1601 __func__, ci->sector_count, max_io_len(ti, ci->sector)); > 1602 return -EIO; 1603 } 1604 /* 1605 * Only support bio polling for normal IO, and the target io is 1606 * exactly inside the dm_io instance (verified in dm_poll_dm_io) 1607 */ 1608 ci->submit_as_polled = ci->bio->bi_opf & REQ_POLLED; 1609 1610 len = min_t(sector_t, max_io_len(ti, ci->sector), ci->sector_count); 1611 setup_split_accounting(ci, len); 1612 clone = alloc_tio(ci, ti, 0, &len, GFP_NOIO); 1613 __map_bio(clone); 1614 1615 ci->sector += len; 1616 ci->sector_count -= len; 1617 1618 return BLK_STS_OK; 1619 } 1620 -- 0-DAY CI Kernel Test Service https://01.org/lkp