tree: https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git dm-5.2 head: cefb8eb074c8cde87d4a6947e24c00b8cbde830c commit: cefb8eb074c8cde87d4a6947e24c00b8cbde830c [22/22] dm: add dust target reproduce: # apt-get install sparse git checkout cefb8eb074c8cde87d4a6947e24c00b8cbde830c make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) >> drivers/md/dm-dust.c:35:17: sparse: sparse: symbol 'dust_rb_search' was not declared. Should it be static? >> drivers/md/dm-dust.c:53:6: sparse: sparse: symbol 'dust_rb_insert' was not declared. Should it be static? >> drivers/md/dm-dust.c:495:12: sparse: sparse: symbol 'dm_dust_init' was not declared. Should it be static? >> drivers/md/dm-dust.c:505:13: sparse: sparse: symbol 'dm_dust_exit' was not declared. Should it be static? Please review and possibly fold the followup patch. --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel