Re: [PATCH v5 07/10] tmpfs: Add casefold lookup support

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

Hi André,

kernel test robot noticed the following build warnings:

[auto build test WARNING on brauner-vfs/vfs.all]
[also build test WARNING on akpm-mm/mm-everything tytso-ext4/dev linus/master v6.12-rc1 next-20241004]
[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/Andr-Almeida/libfs-Create-the-helper-function-generic_ci_validate_strict_name/20241003-074711
base:   https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git vfs.all
patch link:    https://lore.kernel.org/r/20241002234444.398367-8-andrealmeid%40igalia.com
patch subject: [PATCH v5 07/10] tmpfs: Add casefold lookup support
config: x86_64-buildonly-randconfig-004-20241006 (https://download.01.org/0day-ci/archive/20241006/202410061202.rhZIs2gr-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241006/202410061202.rhZIs2gr-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/202410061202.rhZIs2gr-lkp@intel.com/

All warnings (new ones prefixed by >>):

   mm/shmem.c:1608:20: warning: unused function 'shmem_show_mpol' [-Wunused-function]
    1608 | static inline void shmem_show_mpol(struct seq_file *seq, struct mempolicy *mpol)
         |                    ^~~~~~~~~~~~~~~
>> mm/shmem.c:4717:39: warning: unused variable 'shmem_ci_dentry_ops' [-Wunused-const-variable]
    4717 | static const struct dentry_operations shmem_ci_dentry_ops = {
         |                                       ^~~~~~~~~~~~~~~~~~~
   2 warnings generated.


vim +/shmem_ci_dentry_ops +4717 mm/shmem.c

  4715	
  4716	#if IS_ENABLED(CONFIG_UNICODE)
> 4717	static const struct dentry_operations shmem_ci_dentry_ops = {
  4718		.d_hash = generic_ci_d_hash,
  4719		.d_compare = generic_ci_d_compare,
  4720		.d_delete = always_delete_dentry,
  4721	};
  4722	#endif
  4723	

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