Hi Andy, I love your patch! Yet something to improve: [auto build test ERROR on next-20180615] [also build test ERROR on v4.17] [cannot apply to md/for-next linus/master dm/for-next v4.17 v4.17-rc7 v4.17-rc6] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Andy-Shevchenko/bitmap-Introduce-alloc-free-helpers/20180615-214724 config: x86_64-randconfig-x008-201823 (attached as .config) compiler: gcc-7 (Debian 7.3.0-16) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): >> drivers/md/persistent-data/dm-space-map-common.c:111:23: error: 'bitmap_prepare_for_write' undeclared here (not in a function); did you mean 'md_bitmap_prepare_for_write'? .prepare_for_write = bitmap_prepare_for_write, ^~~~~~~~~~~~~~~~~~~~~~~~ md_bitmap_prepare_for_write >> drivers/md/persistent-data/dm-space-map-common.c:112:11: error: 'bitmap_check' undeclared here (not in a function); did you mean 'md_bitmap_check'? .check = bitmap_check ^~~~~~~~~~~~ md_bitmap_check drivers/md/persistent-data/dm-space-map-common.c:84:12: warning: 'md_bitmap_check' defined but not used [-Wunused-function] static int md_bitmap_check(struct dm_block_validator *v, ^~~~~~~~~~~~~~~ drivers/md/persistent-data/dm-space-map-common.c:72:13: warning: 'md_bitmap_prepare_for_write' defined but not used [-Wunused-function] static void md_bitmap_prepare_for_write(struct dm_block_validator *v, ^~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +111 drivers/md/persistent-data/dm-space-map-common.c 3241b1d3 Joe Thornber 2011-10-31 108 3241b1d3 Joe Thornber 2011-10-31 109 static struct dm_block_validator dm_sm_bitmap_validator = { 3241b1d3 Joe Thornber 2011-10-31 110 .name = "sm_bitmap", 3241b1d3 Joe Thornber 2011-10-31 @111 .prepare_for_write = bitmap_prepare_for_write, 3241b1d3 Joe Thornber 2011-10-31 @112 .check = bitmap_check 3241b1d3 Joe Thornber 2011-10-31 113 }; 3241b1d3 Joe Thornber 2011-10-31 114 :::::: The code at line 111 was first introduced by commit :::::: 3241b1d3e0aaafbfcd320f4d71ade629728cc4f4 dm: add persistent data library :::::: TO: Joe Thornber <thornber@xxxxxxxxxx> :::::: CC: Alasdair G Kergon <agk@xxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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