[chao-linux:dax-wip 7/7] fs/f2fs/file.c:1903:6: warning: no previous prototype for 'dax_mutually_exclusive'

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

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git dax-wip
head:   030db79112b5bc644a842a966bf839ef71a31245
commit: 030db79112b5bc644a842a966bf839ef71a31245 [7/7] f2fs: dax options
config: x86_64-allyesconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git/commit/?id=030db79112b5bc644a842a966bf839ef71a31245
        git remote add chao-linux https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git
        git fetch --no-tags chao-linux dax-wip
        git checkout 030db79112b5bc644a842a966bf839ef71a31245
        # save the attached .config to linux build tree
        make W=1 ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> fs/f2fs/file.c:1903:6: warning: no previous prototype for 'dax_mutually_exclusive' [-Wmissing-prototypes]
    1903 | bool dax_mutually_exclusive(struct inode *inode)
         |      ^~~~~~~~~~~~~~~~~~~~~~


vim +/dax_mutually_exclusive +1903 fs/f2fs/file.c

  1902	
> 1903	bool dax_mutually_exclusive(struct inode *inode)
  1904	{
  1905		if (file_is_encrypt(inode))
  1906			return false;
  1907		if (file_is_verity(inode))
  1908			return false;
  1909		if (f2fs_has_inline_data(inode))
  1910			return true;
  1911		return false;
  1912	}
  1913	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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