Hi Keith, kernel test robot noticed the following build errors: [auto build test ERROR on axboe-block/for-next] [also build test ERROR on next-20250626] [cannot apply to linux-nvme/for-next hch-configfs/for-next linus/master v6.16-rc3] [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/Keith-Busch/nvme-convert-metadata-mapping-to-dma-iter/20250626-044623 base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next patch link: https://lore.kernel.org/r/20250625204445.1802483-1-kbusch%40meta.com patch subject: [PATCH 1/2] blk-integrity: add scatter-less DMA mapping helpers config: x86_64-buildonly-randconfig-002-20250626 (https://download.01.org/0day-ci/archive/20250626/202506262136.WXl2reWF-lkp@xxxxxxxxx/config) compiler: clang version 20.1.7 (https://github.com/llvm/llvm-project 6146a88f60492b520a36f8f8f3231e15f3cc6082) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250626/202506262136.WXl2reWF-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/202506262136.WXl2reWF-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> block/blk-integrity.c:194:19: error: use of undeclared identifier 'blk_rq_integrity_map_iter_start' 194 | EXPORT_SYMBOL_GPL(blk_rq_integrity_map_iter_start); | ^ 1 error generated. vim +/blk_rq_integrity_map_iter_start +194 block/blk-integrity.c 165 166 bool blk_rq_integrity_dma_map_iter_start(struct request *req, 167 struct device *dma_dev, struct blk_dma_iter *iter) 168 { 169 struct bio_integrity_payload *bip = bio_integrity(req->bio); 170 struct phys_vec vec; 171 172 iter->iter.bio = req->bio; 173 iter->iter.iter = bip->bip_iter; 174 memset(&iter->p2pdma, 0, sizeof(iter->p2pdma)); 175 iter->status = BLK_STS_OK; 176 177 if (!blk_rq_integrity_map_iter_next(req, &iter->iter, &vec)) 178 return false; 179 180 switch (pci_p2pdma_state(&iter->p2pdma, dma_dev, 181 phys_to_page(vec.paddr))) { 182 case PCI_P2PDMA_MAP_BUS_ADDR: 183 return blk_dma_map_bus(iter, &vec); 184 case PCI_P2PDMA_MAP_THRU_HOST_BRIDGE: 185 case PCI_P2PDMA_MAP_NONE: 186 break; 187 default: 188 iter->status = BLK_STS_INVAL; 189 return false; 190 } 191 192 return blk_dma_map_direct(req, dma_dev, iter, &vec); 193 } > 194 EXPORT_SYMBOL_GPL(blk_rq_integrity_map_iter_start); 195 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
