Hi David,

[FYI, it's a private test report for your RFC patch.]
[auto build test WARNING on cifs/for-next]
[also build test WARNING on linus/master v5.17-rc1 next-20220124]
[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/David-Howells/cifs-Transition-from-readpages-to-readahead/20220125-010247
base:   git://git.samba.org/sfrench/cifs-2.6.git for-next
config: ia64-defconfig (https://download.01.org/0day-ci/archive/20220125/202201250621.d5okx8X3-lkp(a)intel.com/config)
compiler: ia64-linux-gcc (GCC) 11.2.0
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
        # https://github.com/0day-ci/linux/commit/ad0df70284e96423c577eb30a366eb814888379b
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review David-Howells/cifs-Transition-from-readpages-to-readahead/20220125-010247
        git checkout ad0df70284e96423c577eb30a366eb814888379b
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=ia64 SHELL=/bin/bash fs/

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 >>):

   In file included from fs/cifs/cifsfs.c:41:
   fs/cifs/fscache.h: In function 'cifs_fscache_query_occupancy':
>> fs/cifs/fscache.h:143:21: warning: assignment to 'long unsigned int *' from 'long unsigned int' makes pointer from integer without a cast [-Wint-conversion]
     143 |         _data_first = ULONG_MAX;
         |                     ^
>> fs/cifs/fscache.h:140:57: warning: parameter '_data_first' set but not used [-Wunused-but-set-parameter]
     140 |                                                pgoff_t *_data_first,
>> fs/cifs/fscache.h:141:62: warning: parameter '_data_nr_pages' set but not used [-Wunused-but-set-parameter]
     141 |                                                unsigned int *_data_nr_pages)
         |                                                ~~~~~~~~~~~~~~^~~~~~~~~~~~~~


vim +143 fs/cifs/fscache.h

   137	
   138	static inline int cifs_fscache_query_occupancy(struct inode *inode,
   139						       pgoff_t first, unsigned nr_pages,
 > 140						       pgoff_t *_data_first,
 > 141						       unsigned int *_data_nr_pages)
   142	{
 > 143		_data_first = ULONG_MAX;
   144		_data_nr_pages = 0;
   145		return -ENOBUFS;
   146	}
   147	

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