tree: git://git.infradead.org/users/hch/block.git remove-blk_get_request head: 466175155bbbc600d2493d2e69518cd0fe84bce0 commit: d6c17b39384f838a79faff786e94da3b693ed0dc [13/18] block: move request based cloning helpers to blk-mq.c config: hexagon-randconfig-r045-20211021 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 3cea2505fd8d99a9ba0cb625aecfe28a47c4e3f8) 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 git remote add hch-block git://git.infradead.org/users/hch/block.git git fetch --no-tags hch-block remove-blk_get_request git checkout d6c17b39384f838a79faff786e94da3b693ed0dc # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=hexagon If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): blk_status_t blk_mq_request_issue_directly(struct request *rq, bool last) ^ block/blk-mq.c:2464:1: note: declare 'static' if the function is not intended to be used outside of this translation unit blk_status_t blk_mq_request_issue_directly(struct request *rq, bool last) ^ static 1 warning generated. vim +/blk_mq_request_issue_directly +2464 block/blk-mq.c 0f95549c0ea1e8 Mike Snitzer 2018-01-17 2463 fd9c40f64c514b Bart Van Assche 2019-04-04 @2464 blk_status_t blk_mq_request_issue_directly(struct request *rq, bool last) fd9c40f64c514b Bart Van Assche 2019-04-04 2465 { fd9c40f64c514b Bart Van Assche 2019-04-04 2466 blk_status_t ret; fd9c40f64c514b Bart Van Assche 2019-04-04 2467 int srcu_idx; fd9c40f64c514b Bart Van Assche 2019-04-04 2468 struct blk_mq_hw_ctx *hctx = rq->mq_hctx; fd9c40f64c514b Bart Van Assche 2019-04-04 2469 fd9c40f64c514b Bart Van Assche 2019-04-04 2470 hctx_lock(hctx, &srcu_idx); 3e08773c3841e9 Christoph Hellwig 2021-10-12 2471 ret = __blk_mq_try_issue_directly(hctx, rq, true, last); fd9c40f64c514b Bart Van Assche 2019-04-04 2472 hctx_unlock(hctx, srcu_idx); fd9c40f64c514b Bart Van Assche 2019-04-04 2473 7f556a44e61d0b Jianchao Wang 2018-12-14 2474 return ret; 07068d5b8ed8fa Jens Axboe 2014-05-22 2475 } 07068d5b8ed8fa Jens Axboe 2014-05-22 2476 :::::: The code at line 2464 was first introduced by commit :::::: fd9c40f64c514bdc585a21e2e33fa5f83ca8811b block: Revert v5.0 blk_mq_request_issue_directly() changes :::::: TO: Bart Van Assche <bvanassche(a)acm.org&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