Re: [RFC 1/3] iomap: Support buffered RWF_WRITETHROUGH via async dio backend

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

Hi Ojaswin,

[This is a private test report for your RFC patch.]
kernel test robot noticed the following build warnings:

[auto build test WARNING on xfs-linux/for-next]
[also build test WARNING on linus/master v7.0-rc3 next-20260310]
[cannot apply to hch-configfs/for-next]
[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/Ojaswin-Mujoo/iomap-Support-buffered-RWF_WRITETHROUGH-via-async-dio-backend/20260310-013922
base:   https://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git for-next
patch link:    https://lore.kernel.org/r/c84ddc3f864f840d646b6aa19fd9b3e83e079c0b.1773076216.git.ojaswin%40linux.ibm.com
patch subject: [RFC 1/3] iomap: Support buffered RWF_WRITETHROUGH via async dio backend
config: nios2-allnoconfig (https://download.01.org/0day-ci/archive/20260311/202603111414.egTuxyS6-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/20260311/202603111414.egTuxyS6-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/202603111414.egTuxyS6-lkp@intel.com/

All warnings (new ones prefixed by >>):

   Warning: fs/iomap/buffered-io.c:640 function parameter 'private' not described in 'iomap_readahead'
>> Warning: fs/iomap/buffered-io.c:1186 function parameter 'offset' not described in 'iomap_writethrough_begin'
>> Warning: fs/iomap/buffered-io.c:1186 function parameter 'len' not described in 'iomap_writethrough_begin'
   Warning: fs/iomap/buffered-io.c:640 function parameter 'private' not described in 'iomap_readahead'
>> Warning: fs/iomap/buffered-io.c:1186 function parameter 'offset' not described in 'iomap_writethrough_begin'
>> Warning: fs/iomap/buffered-io.c:1186 function parameter 'len' not described in 'iomap_writethrough_begin'

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