Re: [PATCH v1 2/2] libfs: Clean up the simple_offset API

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

Hi,

kernel test robot noticed the following build warnings:

[auto build test WARNING on akpm-mm/mm-everything]
[also build test WARNING on brauner-vfs/vfs.all linus/master v6.9-rc3 next-20240411]
[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/cel-kernel-org/shmem-Fix-shmem_rename2/20240412-024237
base:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link:    https://lore.kernel.org/r/20240411182611.203328-3-cel%40kernel.org
patch subject: [PATCH v1 2/2] libfs: Clean up the simple_offset API
config: openrisc-allnoconfig (https://download.01.org/0day-ci/archive/20240412/202404121313.3QGwuj72-lkp@intel.com/config)
compiler: or1k-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240412/202404121313.3QGwuj72-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/202404121313.3QGwuj72-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from include/linux/shmem_fs.h:6,
                    from mm/shmem.c:36:
   include/linux/swap.h:568:6: warning: no previous prototype for 'swap_free_nr' [-Wmissing-prototypes]
     568 | void swap_free_nr(swp_entry_t entry, int nr_pages)
         |      ^~~~~~~~~~~~
>> mm/shmem.c:2483:27: warning: 'shmem_get_offset_ctx' defined but not used [-Wunused-function]
    2483 | static struct offset_ctx *shmem_get_offset_ctx(struct inode *inode)
         |                           ^~~~~~~~~~~~~~~~~~~~


vim +/shmem_get_offset_ctx +2483 mm/shmem.c

e408e695f5f1f6 Theodore Ts'o 2022-07-14  2482  
a2e459555c5f9d Chuck Lever   2023-06-30 @2483  static struct offset_ctx *shmem_get_offset_ctx(struct inode *inode)
a2e459555c5f9d Chuck Lever   2023-06-30  2484  {
a2e459555c5f9d Chuck Lever   2023-06-30  2485  	return &SHMEM_I(inode)->dir_offsets;
a2e459555c5f9d Chuck Lever   2023-06-30  2486  }
a2e459555c5f9d Chuck Lever   2023-06-30  2487  

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