Re: [PATCH v5 05/10] fs: Add DCACHE_CASEFOLDED_NAME flag

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

Hi Gabriel,

kernel test robot noticed the following build errors:

[auto build test ERROR on tytso-ext4/dev]
[also build test ERROR on linus/master]
[cannot apply to tyhicks-ecryptfs/next ericvh-v9fs/for-next viro-vfs/for-next]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Gabriel-Krisman-Bertazi/fs-Expose-helper-to-check-if-a-directory-needs-casefolding/20230812-084506
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev
patch link:    https://lore.kernel.org/r/20230812004146.30980-6-krisman%40suse.de
patch subject: [PATCH v5 05/10] fs: Add DCACHE_CASEFOLDED_NAME flag
config: arm64-randconfig-r013-20230812 (https://download.01.org/0day-ci/archive/20230812/202308121727.Nz2wb72n-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce: (https://download.01.org/0day-ci/archive/20230812/202308121727.Nz2wb72n-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308121727.Nz2wb72n-lkp@intel.com/

All errors (new ones prefixed by >>):

>> fs/dcache.c:1967:15: error: use of undeclared identifier 'd_set_casefold_lookup'; did you mean 'd_set_casefolded_name'?
    1967 | EXPORT_SYMBOL(d_set_casefold_lookup);
         |               ^~~~~~~~~~~~~~~~~~~~~
         |               d_set_casefolded_name
   include/linux/export.h:86:44: note: expanded from macro 'EXPORT_SYMBOL'
      86 | #define EXPORT_SYMBOL(sym)              _EXPORT_SYMBOL(sym, "")
         |                                                        ^
   include/linux/export.h:83:54: note: expanded from macro '_EXPORT_SYMBOL'
      83 | #define _EXPORT_SYMBOL(sym, license)    __EXPORT_SYMBOL(sym, license, "")
         |                                                         ^
   include/linux/export.h:74:16: note: expanded from macro '__EXPORT_SYMBOL'
      74 |         extern typeof(sym) sym;                                 \
         |                       ^
   fs/dcache.c:1961:6: note: 'd_set_casefolded_name' declared here
    1961 | void d_set_casefolded_name(struct dentry *dentry)
         |      ^
   1 error generated.


vim +1967 fs/dcache.c

  1960	
  1961	void d_set_casefolded_name(struct dentry *dentry)
  1962	{
  1963		spin_lock(&dentry->d_lock);
  1964		dentry->d_flags |= DCACHE_CASEFOLDED_NAME;
  1965		spin_unlock(&dentry->d_lock);
  1966	}
> 1967	EXPORT_SYMBOL(d_set_casefold_lookup);
  1968	

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