Hi Yi, kernel test robot noticed the following build warnings: [auto build test WARNING on axboe-block/for-next] [also build test WARNING on linus/master v6.8-rc1 next-20240123] [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/Yi-Sun/blk-mq-introduce-blk_mq_tagset_wait_request_completed/20240122-192222 base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next patch link: https://lore.kernel.org/r/20240122110722.690223-2-yi.sun%40unisoc.com patch subject: [PATCH 1/2] blk-mq: introduce blk_mq_tagset_wait_request_completed() config: i386-buildonly-randconfig-002-20240123 (https://download.01.org/0day-ci/archive/20240124/202401240242.k3K7SkiZ-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240124/202401240242.k3K7SkiZ-lkp@xxxxxxxxx/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 <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202401240242.k3K7SkiZ-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> block/blk-mq-tag.c:498: warning: Function parameter or struct member 'tagset' not described in 'blk_mq_tagset_wait_request_completed' vim +498 block/blk-mq-tag.c 490 491 /** 492 * blk_mq_tagset_wait_request_completed - Wait for all inflight requests 493 * to become completed. 494 * 495 * Note: This function has to be run after all IO queues are shutdown. 496 */ 497 void blk_mq_tagset_wait_request_completed(struct blk_mq_tag_set *tagset) > 498 { 499 while (true) { 500 unsigned int count = 0; 501 502 blk_mq_tagset_busy_iter(tagset, 503 blk_mq_tagset_count_inflight_rqs, &count); 504 if (!count) 505 break; 506 msleep(20); 507 } 508 } 509 EXPORT_SYMBOL(blk_mq_tagset_wait_request_completed); 510 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki