[dhowells-fs:netfs-crypt 37/37] fs/netfs/internal.h:439:16: warning: format '%zu' expects argument of type 'size_t', but argument 4 has type 'long unsigned int'

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

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git netfs-crypt
head:   3962f4beba4e7ffa6cfab018df8a612902a1d2c8
commit: 3962f4beba4e7ffa6cfab018df8a612902a1d2c8 [37/37] netfs: Support decryption on ubuffered/DIO read
config: i386-randconfig-001-20240903 (https://download.01.org/0day-ci/archive/20240903/202409032323.GhbNO1EX-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240903/202409032323.GhbNO1EX-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/202409032323.GhbNO1EX-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from include/asm-generic/bug.h:22,
                    from arch/x86/include/asm/bug.h:87,
                    from include/linux/bug.h:5,
                    from include/linux/jump_label.h:257,
                    from include/linux/static_key.h:1,
                    from arch/x86/include/asm/nospec-branch.h:6,
                    from arch/x86/include/asm/irqflags.h:9,
                    from include/linux/irqflags.h:18,
                    from include/linux/spinlock.h:59,
                    from include/linux/wait.h:9,
                    from include/linux/wait_bit.h:8,
                    from include/linux/fs.h:6,
                    from fs/netfs/crypto.c:8:
   fs/netfs/crypto.c: In function 'netfs_decrypt_dio':
>> fs/netfs/internal.h:439:16: warning: format '%zu' expects argument of type 'size_t', but argument 4 has type 'long unsigned int' [-Wformat=]
     439 |         printk("[%-6.6s] "FMT"\n", current->comm, ##__VA_ARGS__)
         |                ^~~~~~~~~~~
   include/linux/printk.h:437:25: note: in definition of macro 'printk_index_wrap'
     437 |                 _p_func(_fmt, ##__VA_ARGS__);                           \
         |                         ^~~~
   fs/netfs/internal.h:439:9: note: in expansion of macro 'printk'
     439 |         printk("[%-6.6s] "FMT"\n", current->comm, ##__VA_ARGS__)
         |         ^~~~~~
   fs/netfs/internal.h:443:26: note: in expansion of macro 'dbgprintk'
     443 | #define kdebug(FMT, ...) dbgprintk(FMT, ##__VA_ARGS__)
         |                          ^~~~~~~~~
   fs/netfs/crypto.c:304:9: note: in expansion of macro 'kdebug'
     304 |         kdebug("type=%u nr=%zu type=%u nr=%zu",
         |         ^~~~~~
   fs/netfs/internal.h:439:16: warning: format '%zu' expects argument of type 'size_t', but argument 6 has type 'long unsigned int' [-Wformat=]
     439 |         printk("[%-6.6s] "FMT"\n", current->comm, ##__VA_ARGS__)
         |                ^~~~~~~~~~~
   include/linux/printk.h:437:25: note: in definition of macro 'printk_index_wrap'
     437 |                 _p_func(_fmt, ##__VA_ARGS__);                           \
         |                         ^~~~
   fs/netfs/internal.h:439:9: note: in expansion of macro 'printk'
     439 |         printk("[%-6.6s] "FMT"\n", current->comm, ##__VA_ARGS__)
         |         ^~~~~~
   fs/netfs/internal.h:443:26: note: in expansion of macro 'dbgprintk'
     443 | #define kdebug(FMT, ...) dbgprintk(FMT, ##__VA_ARGS__)
         |                          ^~~~~~~~~
   fs/netfs/crypto.c:304:9: note: in expansion of macro 'kdebug'
     304 |         kdebug("type=%u nr=%zu type=%u nr=%zu",
         |         ^~~~~~
   fs/netfs/crypto.c:283:36: warning: variable 'skip' set but not used [-Wunused-but-set-variable]
     283 |         size_t len, processed = 0, skip, bsize = 1UL << ctx->crypto_bshift;
         |                                    ^~~~


vim +439 fs/netfs/internal.h

915cd30cdea8811 David Howells 2023-11-20  433  
3d3c95046742e4e David Howells 2020-05-13  434  /*****************************************************************************/
3d3c95046742e4e David Howells 2020-05-13  435  /*
3d3c95046742e4e David Howells 2020-05-13  436   * debug tracing
3d3c95046742e4e David Howells 2020-05-13  437   */
3d3c95046742e4e David Howells 2020-05-13  438  #define dbgprintk(FMT, ...) \
a9d47a50cf257ff David Howells 2024-07-18 @439  	printk("[%-6.6s] "FMT"\n", current->comm, ##__VA_ARGS__)
3d3c95046742e4e David Howells 2020-05-13  440  

:::::: The code at line 439 was first introduced by commit
:::::: a9d47a50cf257ff1019a4e30d573777882fd785c netfs: Revert "netfs: Switch debug logging to pr_debug()"

:::::: TO: David Howells <dhowells@redhat.com>
:::::: CC: Christian Brauner <brauner@kernel.org>

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