Re: [PATCH v2 1/5] md: Avoid namespace collision with bitmap API

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

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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@redhat.com>
:::::: CC: Alasdair G Kergon <agk@redhat.com>

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0-DAY kernel test infrastructure                Open Source Technology Center
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