Re: [RFC PATCH 8/8] fs/xfs: support dedupe for fsdax

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

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Hi Shiyang,

[FYI, it's a private test report for your RFC patch.]
[auto build test WARNING on linux/master]
[also build test WARNING on linus/master v5.8]
[cannot apply to xfs-linux/for-next hnaz-linux-mm/master next-20200807]
[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/Shiyang-Ruan/fsdax-introduce-FS-query-interface-to-support-reflink/20200807-211450
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git bcf876870b95592b52519ed4aafcf9d95999bc9c
config: x86_64-randconfig-a002-20200807 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project aa57cabae2fc5abc08ab3e17b45f2890fc7c9e42)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross 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/xfs/xfs_reflink.c:1277:5: warning: no previous prototype for function 'xfs_reflink_dedupe_file_range_compare' [-Wmissing-prototypes]
   int xfs_reflink_dedupe_file_range_compare(struct inode *src, loff_t srcoff,
       ^
   fs/xfs/xfs_reflink.c:1277:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int xfs_reflink_dedupe_file_range_compare(struct inode *src, loff_t srcoff,
   ^
   static 
   1 warning generated.

vim +/xfs_reflink_dedupe_file_range_compare +1277 fs/xfs/xfs_reflink.c

  1276	
> 1277	int xfs_reflink_dedupe_file_range_compare(struct inode *src, loff_t srcoff,
  1278						  struct inode *dest, loff_t destoff,
  1279						  loff_t len, bool *is_same)
  1280	{
  1281		return dax_file_range_compare(src, srcoff, dest, destoff, len, is_same,
  1282					      &xfs_read_iomap_ops);
  1283	}
  1284	

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

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