Hi Hannes, kernel test robot noticed the following build warnings: [auto build test WARNING on axboe-block/for-next] [also build test WARNING on linus/master v6.9-rc2 next-20240403] [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/Hannes-Reinecke/block-track-per-node-I-O-latency/20240403-222254 base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next patch link: https://lore.kernel.org/r/20240403141756.88233-2-hare%40kernel.org patch subject: [PATCH 1/2] block: track per-node I/O latency config: openrisc-allnoconfig (https://download.01.org/0day-ci/archive/20240404/202404041051.89LVIrNh-lkp@xxxxxxxxx/config) compiler: or1k-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240404/202404041051.89LVIrNh-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/202404041051.89LVIrNh-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from include/linux/blk-integrity.h:5, from block/bdev.c:15: >> include/linux/blk-mq.h:1242:5: warning: no previous prototype for 'blk_nlat_latency' [-Wmissing-prototypes] 1242 | u64 blk_nlat_latency(struct gendisk *disk, int node) { return 0; } | ^~~~~~~~~~~~~~~~ include/linux/blk-mq.h:1243:15: error: unknown type name 'in' 1243 | static inline in blk_nlat_init(struct gendisk *disk) { return -ENOTSUPP; } | ^~ vim +/blk_nlat_latency +1242 include/linux/blk-mq.h 1233 1234 #ifdef CONFIG_BLK_NODE_LATENCY 1235 int blk_nlat_enable(struct gendisk *disk); 1236 void blk_nlat_disable(struct gendisk *disk); 1237 u64 blk_nlat_latency(struct gendisk *disk, int node); 1238 int blk_nlat_init(struct gendisk *disk); 1239 #else 1240 static inline int blk_nlat_enable(struct gendisk *disk) { return 0; } 1241 static inline void blk_nlat_disable(struct gendisk *disk) {} > 1242 u64 blk_nlat_latency(struct gendisk *disk, int node) { return 0; } -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
