[brauner-github:work.mount.gp_on_demand.proposal 22/29] fs/nullfs.c:57:24: error: implicit declaration of function 'iov_iter_count'

[brauner-github:work.mount.gp_on_demand.proposal 22/29] fs/nullfs.c:57:24: error: implicit declaration of function 'iov_iter_count'

[kernel test robot]

tree:   https://github.com/brauner/linux.git work.mount.gp_on_demand.proposal
head:   e59665003f3099d261a6dea7420c5b2a7d0ce4c1
commit: 1a5353e584154c66d8d8c520f0ae4cea9fd18195 [22/29] fixup! nullfs: add an empty immutable regular file
config: i386-randconfig-2200-20261006 (https://download.01.org/0day-ci/archive/20261006/202610062038.FvRofPIG-lkp@intel.com/config)
compiler: gcc-13 (Debian 13.3.0-16) 13.3.0
smatch: v0.5.0-9187-g5189e3fb
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261006/202610062038.FvRofPIG-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/202610062038.FvRofPIG-lkp@intel.com/

All errors (new ones prefixed by >>):

   fs/nullfs.c: In function 'nullfs_file_write_iter':
>> fs/nullfs.c:57:24: error: implicit declaration of function 'iov_iter_count' [-Werror=implicit-function-declaration]
      57 |         size_t count = iov_iter_count(from);
         |                        ^~~~~~~~~~~~~~
>> fs/nullfs.c:59:9: error: implicit declaration of function 'iov_iter_advance'; did you mean 'bvec_iter_advance'? [-Werror=implicit-function-declaration]
      59 |         iov_iter_advance(from, count);
         |         ^~~~~~~~~~~~~~~~
         |         bvec_iter_advance
   cc1: some warnings being treated as errors


vim +/iov_iter_count +57 fs/nullfs.c

    54	
    55	static ssize_t nullfs_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
    56	{
  > 57		size_t count = iov_iter_count(from);
    58	
  > 59		iov_iter_advance(from, count);
    60		return count;
    61	}
    62	

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

[brauner-github:work.mount.gp_on_demand.proposal 22/29] fs/nullfs.c:57:24: error: implicit declaration of function 'iov_iter_count'

[kernel test robot]

tree:   https://github.com/brauner/linux.git work.mount.gp_on_demand.proposal
head:   e59665003f3099d261a6dea7420c5b2a7d0ce4c1
commit: 1a5353e584154c66d8d8c520f0ae4cea9fd18195 [22/29] fixup! nullfs: add an empty immutable regular file
config: nios2-randconfig-1001-20261007 (https://download.01.org/0day-ci/archive/20261007/202610070955.0JSZ6M3P-lkp@intel.com/config)
compiler: nios2-linux-gcc (GCC) 11.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261007/202610070955.0JSZ6M3P-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/202610070955.0JSZ6M3P-lkp@intel.com/

All errors (new ones prefixed by >>):

   fs/nullfs.c: In function 'nullfs_file_write_iter':
>> fs/nullfs.c:57:24: error: implicit declaration of function 'iov_iter_count' [-Werror=implicit-function-declaration]
      57 |         size_t count = iov_iter_count(from);
         |                        ^~~~~~~~~~~~~~
>> fs/nullfs.c:59:9: error: implicit declaration of function 'iov_iter_advance'; did you mean 'bvec_iter_advance'? [-Werror=implicit-function-declaration]
      59 |         iov_iter_advance(from, count);
         |         ^~~~~~~~~~~~~~~~
         |         bvec_iter_advance
   cc1: some warnings being treated as errors


vim +/iov_iter_count +57 fs/nullfs.c

    54	
    55	static ssize_t nullfs_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
    56	{
  > 57		size_t count = iov_iter_count(from);
    58	
  > 59		iov_iter_advance(from, count);
    60		return count;
    61	}
    62	

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