Re: [PATCH] fs: Add uoff_t

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

Hi Matthew,

kernel test robot noticed the following build errors:

[auto build test ERROR on akpm-mm/mm-everything]
[also build test ERROR on arnd-asm-generic/master linus/master v6.18-rc6 next-20251118]
[cannot apply to brauner-vfs/vfs.all]
[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/Matthew-Wilcox-Oracle/fs-Add-uoff_t/20251118-233038
base:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link:    https://lore.kernel.org/r/20251118152935.3735484-1-willy%40infradead.org
patch subject: [PATCH] fs: Add uoff_t
config: arm-allnoconfig (https://download.01.org/0day-ci/archive/20251119/202511190917.pXdJRhD8-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 0bba1e76581bad04e7d7f09f5115ae5e2989e0d9)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251119/202511190917.pXdJRhD8-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/202511190917.pXdJRhD8-lkp@intel.com/

All errors (new ones prefixed by >>):

>> mm/shmem.c:5810:6: error: conflicting types for 'shmem_truncate_range'
    5810 | void shmem_truncate_range(struct inode *inode, loff_t lstart, loff_t lend)
         |      ^
   include/linux/shmem_fs.h:129:6: note: previous declaration is here
     129 | void shmem_truncate_range(struct inode *inode, loff_t start, uoff_t end);
         |      ^
   mm/shmem.c:5838:16: warning: unused variable 'flags' [-Wunused-variable]
    5838 |         unsigned long flags = (vm_flags & VM_NORESERVE) ? SHMEM_F_NORESERVE : 0;
         |                       ^~~~~
   1 warning and 1 error generated.


vim +/shmem_truncate_range +5810 mm/shmem.c

c01d5b300774d13 Hugh Dickins 2016-07-26  5809  
41ffe5d5ceef7f7 Hugh Dickins 2011-08-03 @5810  void shmem_truncate_range(struct inode *inode, loff_t lstart, loff_t lend)
94c1e62df4494b7 Hugh Dickins 2011-06-27  5811  {
41ffe5d5ceef7f7 Hugh Dickins 2011-08-03  5812  	truncate_inode_pages_range(inode->i_mapping, lstart, lend);
94c1e62df4494b7 Hugh Dickins 2011-06-27  5813  }
94c1e62df4494b7 Hugh Dickins 2011-06-27  5814  EXPORT_SYMBOL_GPL(shmem_truncate_range);
94c1e62df4494b7 Hugh Dickins 2011-06-27  5815  

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki