linux-kernel - [ammarfaizi2-block:dhowells/linux-fs/netfs-lib 7/22] fs/netfs/misc.c:22:46: warning: format specifies type 'unsigned long' but the argument has type 'size

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Message-ID: <202208240851.chpv1GAP-lkp@intel.com>
Date:   Wed, 24 Aug 2022 08:13:42 +0800
From:   kernel test robot <lkp@...el.com>
To:     David Howells <dhowells@...hat.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        Ammar Faizi <ammarfaizi2@...weeb.org>,
        GNU/Weeb Mailing List <gwml@...r.gnuweeb.org>,
        linux-kernel@...r.kernel.org
Subject: [ammarfaizi2-block:dhowells/linux-fs/netfs-lib 7/22]
 fs/netfs/misc.c:22:46: warning: format specifies type 'unsigned long' but
 the argument has type 'size_t' (aka 'unsigned int')

tree:   https://github.com/ammarfaizi2/linux-block dhowells/linux-fs/netfs-lib
head:   14725009c14bfa32267af313901825cea6f069a6
commit: a5251be6cee44d7d393c0784487530e6dae512bb [7/22] netfs: Provide invalidatepage and releasepage calls
config: hexagon-buildonly-randconfig-r004-20220823 (https://download.01.org/0day-ci/archive/20220824/202208240851.chpv1GAP-lkp@intel.com/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project b04d01c009d7f66bcca9138d2ce40999eedf104d)
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/ammarfaizi2/linux-block/commit/a5251be6cee44d7d393c0784487530e6dae512bb
        git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
        git fetch --no-tags ammarfaizi2-block dhowells/linux-fs/netfs-lib
        git checkout a5251be6cee44d7d393c0784487530e6dae512bb
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash fs/netfs/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> fs/netfs/misc.c:22:46: warning: format specifies type 'unsigned long' but the argument has type 'size_t' (aka 'unsigned int') [-Wformat]
           _enter("{%lx},%lx,%lx", folio_index(folio), offset, length);
                         ~~~                           ^~~~~~
                         %zx
   fs/netfs/internal.h:164:65: note: expanded from macro '_enter'
   #define _enter(FMT, ...) no_printk("==> %s("FMT")", __func__, ##__VA_ARGS__)
                                               ~~~                 ^~~~~~~~~~~
   include/linux/printk.h:131:17: note: expanded from macro 'no_printk'
                   printk(fmt, ##__VA_ARGS__);             \
                          ~~~    ^~~~~~~~~~~
   include/linux/printk.h:464:60: note: expanded from macro 'printk'
   #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
                                                       ~~~    ^~~~~~~~~~~
   include/linux/printk.h:436:19: note: expanded from macro 'printk_index_wrap'
                   _p_func(_fmt, ##__VA_ARGS__);                           \
                           ~~~~    ^~~~~~~~~~~
   fs/netfs/misc.c:22:54: warning: format specifies type 'unsigned long' but the argument has type 'size_t' (aka 'unsigned int') [-Wformat]
           _enter("{%lx},%lx,%lx", folio_index(folio), offset, length);
                             ~~~                               ^~~~~~
                             %zx
   fs/netfs/internal.h:164:65: note: expanded from macro '_enter'
   #define _enter(FMT, ...) no_printk("==> %s("FMT")", __func__, ##__VA_ARGS__)
                                               ~~~                 ^~~~~~~~~~~
   include/linux/printk.h:131:17: note: expanded from macro 'no_printk'
                   printk(fmt, ##__VA_ARGS__);             \
                          ~~~    ^~~~~~~~~~~
   include/linux/printk.h:464:60: note: expanded from macro 'printk'
   #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
                                                       ~~~    ^~~~~~~~~~~
   include/linux/printk.h:436:19: note: expanded from macro 'printk_index_wrap'
                   _p_func(_fmt, ##__VA_ARGS__);                           \
                           ~~~~    ^~~~~~~~~~~
   2 warnings generated.


vim +22 fs/netfs/misc.c

    10	
    11	/**
    12	 * netfs_invalidate_folio - Invalidate or partially invalidate a folio
    13	 * @folio: Folio proposed for release
    14	 * @offset: Offset of the invalidated region
    15	 * @length: Length of the invalidated region
    16	 *
    17	 * Invalidate part or all of a folio for a network filesystem.  The folio will
    18	 * be removed afterwards if the invalidated region covers the entire folio.
    19	 */
    20	void netfs_invalidate_folio(struct folio *folio, size_t offset, size_t length)
    21	{
  > 22		_enter("{%lx},%lx,%lx", folio_index(folio), offset, length);
    23	
    24		folio_wait_fscache(folio);
    25	}
    26	EXPORT_SYMBOL(netfs_invalidate_folio);
    27	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp