tree: git://git.infradead.org/users/hch/block.git delete-write-same.5 head: e6a05a99f46ef909822031d28dfbcd1a7c9cfb56 commit: 4eeaaa4ec1e82312848c5bc48584de3247743df6 [7/8] block: remove REQ_OP_WRITE_SAME support config: arm-randconfig-r022-20220113 (https://download.01.org/0day-ci/archive/20220115/202201150233.ahptDc1V-lk...) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 82c8aca93488730ce8f66101e0f3538f14b551dd) 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 # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi git remote add hch-block git://git.infradead.org/users/hch/block.git git fetch --no-tags hch-block delete-write-same.5 git checkout 4eeaaa4ec1e82312848c5bc48584de3247743df6 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash block/ drivers/nvme/host/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>): void blk_queue_max_write_zeroes_sectors(struct request_queue *q, ^ block/blk-settings.c:185:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void blk_queue_max_write_zeroes_sectors(struct request_queue *q, ^ static 1 warning generated. -- blk_queue_max_write_zeroes_sectors(queue, UINT_MAX); ^ drivers/nvme/host/core.c:1865:2: error: implicit declaration of function 'blk_queue_max_write_zeroes_sectors' [-Werror,-Wimplicit-function-declaration] blk_queue_max_write_zeroes_sectors(disk->queue, ^ 2 errors generated. vim +/blk_queue_max_write_zeroes_sectors +1682 drivers/nvme/host/core.c 1673f1f08c8876 Christoph Hellwig 2015-11-26 1653 2631857160ecbe Christoph Hellwig 2019-03-13 1654 static void nvme_config_discard(struct gendisk *disk, struct nvme_ns *ns) 1673f1f08c8876 Christoph Hellwig 2015-11-26 1655 { 3831761eb859f5 Jens Axboe 2018-05-02 1656 struct nvme_ctrl *ctrl = ns->ctrl; 2631857160ecbe Christoph Hellwig 2019-03-13 1657 struct request_queue *queue = disk->queue; 30e5e929c7bfaf Christoph Hellwig 2017-11-02 1658 u32 size = queue_logical_block_size(queue); 30e5e929c7bfaf Christoph Hellwig 2017-11-02 1659 5befc7c26e5a98 Keith Busch 2021-03-24 1660 if (ctrl->max_discard_sectors == 0) { 3831761eb859f5 Jens Axboe 2018-05-02 1661 blk_queue_flag_clear(QUEUE_FLAG_DISCARD, queue); 3831761eb859f5 Jens Axboe 2018-05-02 1662 return; 3831761eb859f5 Jens Axboe 2018-05-02 1663 } 3831761eb859f5 Jens Axboe 2018-05-02 1664 3831761eb859f5 Jens Axboe 2018-05-02 1665 if (ctrl->nr_streams && ns->sws && ns->sgs) 3831761eb859f5 Jens Axboe 2018-05-02 1666 size *= ns->sws * ns->sgs; 08095e70783f1d Keith Busch 2016-03-04 1667 b35ba01ea69791 Christoph Hellwig 2017-02-08 1668 BUILD_BUG_ON(PAGE_SIZE / sizeof(struct nvme_dsm_range) < b35ba01ea69791 Christoph Hellwig 2017-02-08 1669 NVME_DSM_MAX_RANGES); b35ba01ea69791 Christoph Hellwig 2017-02-08 1670 b224f6134d72e3 David Disseldorp 2017-11-24 1671 queue->limits.discard_alignment = 0; 30e5e929c7bfaf Christoph Hellwig 2017-11-02 1672 queue->limits.discard_granularity = size; f5d118406247ac Jens Axboe 2017-06-27 1673 3831761eb859f5 Jens Axboe 2018-05-02 1674 /* If discard is already enabled, don't reset queue limits */ 3831761eb859f5 Jens Axboe 2018-05-02 1675 if (blk_queue_flag_test_and_set(QUEUE_FLAG_DISCARD, queue)) 3831761eb859f5 Jens Axboe 2018-05-02 1676 return; 3831761eb859f5 Jens Axboe 2018-05-02 1677 5befc7c26e5a98 Keith Busch 2021-03-24 1678 blk_queue_max_discard_sectors(queue, ctrl->max_discard_sectors); 5befc7c26e5a98 Keith Busch 2021-03-24 1679 blk_queue_max_discard_segments(queue, ctrl->max_discard_segments); e850fd16f751a6 Christoph Hellwig 2017-04-05 1680 e850fd16f751a6 Christoph Hellwig 2017-04-05 1681 if (ctrl->quirks & NVME_QUIRK_DEALLOCATE_ZEROES) 30e5e929c7bfaf Christoph Hellwig 2017-11-02 @1682 blk_queue_max_write_zeroes_sectors(queue, UINT_MAX); 1673f1f08c8876 Christoph Hellwig 2015-11-26 1683 } 1673f1f08c8876 Christoph Hellwig 2015-11-26 1684 :::::: The code at line 1682 was first introduced by commit :::::: 30e5e929c7bfaf87a65f926715773ef14339b79f nvme: don't pass struct nvme_ns to nvme_config_discard :::::: TO: Christoph Hellwig <hch(a)lst.de&gt; :::::: CC: Jens Axboe <axboe(a)kernel.dk&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org