Hi Changheun, Thank you for the patch! Yet something to improve: [auto build test ERROR on mkp-scsi/for-next] [also build test ERROR on scsi/for-next linus/master v5.12-rc7] [cannot apply to block/for-next next-20210409] [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] url: https://github.com/0day-ci/linux/commits/Changheun-Lee/bio-limit-bio-max-size/20210412-115922 base: https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git for-next config: nios2-defconfig (attached as .config) compiler: nios2-linux-gcc (GCC) 9.3.0 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/0day-ci/linux/commit/5d00aa42f58575968c4a7a4b374addaf4f9a5624 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Changheun-Lee/bio-limit-bio-max-size/20210412-115922 git checkout 5d00aa42f58575968c4a7a4b374addaf4f9a5624 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=nios2 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All error/warnings (new ones prefixed by >>): In file included from include/linux/blkdev.h:19, from include/linux/blk-cgroup.h:23, from include/linux/writeback.h:14, from include/linux/memcontrol.h:22, from include/linux/swap.h:9, from block/bio.c:6: include/linux/bio.h: In function 'bio_full': include/linux/bio.h:122:29: error: implicit declaration of function 'bio_max_size'; did you mean 'bio_max_segs'? [-Werror=implicit-function-declaration] 122 | if (bio->bi_iter.bi_size > bio_max_size(bio) - len) | ^~~~~~~~~~~~ | bio_max_segs block/bio.c: At top level: >> block/bio.c:258:14: warning: no previous prototype for 'bio_max_size' [-Wmissing-prototypes] 258 | unsigned int bio_max_size(struct bio *bio) | ^~~~~~~~~~~~ >> block/bio.c:258:14: error: conflicting types for 'bio_max_size' In file included from include/linux/blkdev.h:19, from include/linux/blk-cgroup.h:23, from include/linux/writeback.h:14, from include/linux/memcontrol.h:22, from include/linux/swap.h:9, from block/bio.c:6: include/linux/bio.h:122:29: note: previous implicit declaration of 'bio_max_size' was here 122 | if (bio->bi_iter.bi_size > bio_max_size(bio) - len) | ^~~~~~~~~~~~ block/bio.c: In function 'bio_max_size': >> block/bio.c:260:31: error: 'struct bio' has no member named 'bi_disk' 260 | struct request_queue *q = bio->bi_disk->queue; | ^~ cc1: some warnings being treated as errors vim +/bio_max_size +258 block/bio.c 257 > 258 unsigned int bio_max_size(struct bio *bio) 259 { > 260 struct request_queue *q = bio->bi_disk->queue; 261 262 if (blk_queue_limit_bio_size(q)) 263 return blk_queue_get_max_sectors(q, bio_op(bio)) 264 << SECTOR_SHIFT; 265 266 return UINT_MAX; 267 } 268 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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