Hi Christoph, kernel test robot noticed the following build warnings: [auto build test WARNING on axboe-block/for-next] [also build test WARNING on next-20230418] [cannot apply to linus/master v6.3-rc7] [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/Christoph-Hellwig/blk-mq-reflow-blk_insert_flush/20230417-051014 base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next patch link: https://lore.kernel.org/r/20230416200930.29542-8-hch%40lst.de patch subject: [PATCH 7/7] blk-mq: don't use the requeue list to queue flush commands config: x86_64-randconfig-a013-20230417 (https://download.01.org/0day-ci/archive/20230420/202304200122.GEFsqxFh-lkp@xxxxxxxxx/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1) 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 # https://github.com/intel-lab-lkp/linux/commit/c1197e1a4ff5b38b73d3ec923987ca857f5e2695 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Christoph-Hellwig/blk-mq-reflow-blk_insert_flush/20230417-051014 git checkout c1197e1a4ff5b38b73d3ec923987ca857f5e2695 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202304200122.GEFsqxFh-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> block/blk-mq.c:1461:6: warning: no previous prototype for function 'blk_flush_queue_insert' [-Wmissing-prototypes] void blk_flush_queue_insert(struct request *rq) ^ block/blk-mq.c:1461:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void blk_flush_queue_insert(struct request *rq) ^ static 1 warning generated. vim +/blk_flush_queue_insert +1461 block/blk-mq.c 1460 > 1461 void blk_flush_queue_insert(struct request *rq) 1462 { 1463 struct request_queue *q = rq->q; 1464 unsigned long flags; 1465 1466 spin_lock_irqsave(&q->requeue_lock, flags); 1467 list_add_tail(&rq->queuelist, &q->flush_list); 1468 spin_unlock_irqrestore(&q->requeue_lock, flags); 1469 } 1470 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
