[kbuild-all] [hch-block:blk-accounting-cleanup 1/16] include/linux/blkdev.h:1908:42: error: implicit declaration of function 'bio_sectors'

tree: git://git.infradead.org/users/hch/block.git blk-accounting-cleanup head: 426c2d7f0c7434a57d66be949f1c20e87f8f94ac commit: 6affa383c213074810553ceb6d97493a9404f09c [1/16] block: add disk/bio-based accounting helpers config: i386-tinyconfig (attached as .config) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce (this is a W=1 build): git checkout 6affa383c213074810553ceb6d97493a9404f09c # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>, old ones prefixed by <<): In file included from include/linux/blk-cgroup.h:23:0, from include/linux/writeback.h:14, from include/linux/memcontrol.h:22, from include/linux/swap.h:9, from include/linux/suspend.h:5, from arch/x86/kernel/asm-offsets.c:13: include/linux/blkdev.h: In function 'bio_start_io_acct': return disk_start_io_acct(bio->bi_disk, bio_sectors(bio), bio_op(bio)); ^~~~~~~~~~~ cc1: some warnings being treated as errors make[2]: *** [scripts/Makefile.build:100: arch/x86/kernel/asm-offsets.s] Error 1 make[2]: Target '__build' not remade because of errors. make[1]: *** [Makefile:1141: prepare0] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:180: sub-make] Error 2 vim +/bio_sectors +1908 include/linux/blkdev.h 1894 1895 unsigned long disk_start_io_acct(struct gendisk *disk, unsigned int sectors, 1896 unsigned int op); 1897 void disk_end_io_acct(struct gendisk *disk, unsigned int op, 1898 unsigned long start_time); 1899 1900 /** 1901 * bio_start_io_acct - start I/O accounting for bio based drivers 1902 * @bio: bio to start account for 1903 * 1904 * Returns the start time that should be passed back to bio_end_io_acct(). 1905 */ 1906 static inline unsigned long bio_start_io_acct(struct bio *bio) 1907 { 1909 } 1910 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org