Hi Xiao, Thank you for the patch! Yet something to improve: [auto build test ERROR on song-md/md-next] [also build test ERROR on v5.9-rc2 next-20200824] [cannot apply to md/for-next] [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/Xiao-Ni/md-raid10-move-codes-related-with-submitting-discard-bio-into-one-function/20200824-131217 base: git://git.kernel.org/pub/scm/linux/kernel/git/song/md.git md-next config: i386-randconfig-a015-20200824 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce (this is a W=1 build): # 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: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): ld: drivers/md/raid10.o: in function `raid10_handle_discard': drivers/md/raid10.c:1624: undefined reference to `__umoddi3' >> ld: drivers/md/raid10.c:1628: undefined reference to `__umoddi3' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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