Re: [PATCH V4 4/5] md/raid10: improve raid10 discard request

[kernel test robot <lkp@intel.com>]

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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@intel.com>

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@lists.01.org

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