Re: [PATCH 3/3] loop: disable writeback throttling and fix nowait support

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

Hi Ming,

kernel test robot noticed the following build errors:

[auto build test ERROR on axboe/for-next]
[also build test ERROR on next-20251119]
[cannot apply to linus/master v6.18-rc6]
[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/Ming-Lei/loop-move-kiocb_start_write-to-aio-prep-phase/20251119-174659
base:   https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux.git for-next
patch link:    https://lore.kernel.org/r/20251119093855.3405421-4-ming.lei%40redhat.com
patch subject: [PATCH 3/3] loop: disable writeback throttling and fix nowait support
config: nios2-allnoconfig (https://download.01.org/0day-ci/archive/20251119/202511192025.ApZLv3Ly-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/20251119/202511192025.ApZLv3Ly-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/202511192025.ApZLv3Ly-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from block/elevator.c:45:
>> block/blk-wbt.h:19:20: error: static declaration of 'wbt_disable_default' follows non-static declaration
      19 | static inline void wbt_disable_default(struct gendisk *disk)
         |                    ^~~~~~~~~~~~~~~~~~~
   In file included from block/elevator.c:28:
   include/linux/blkdev.h:452:6: note: previous declaration of 'wbt_disable_default' with type 'void(struct gendisk *)'
     452 | void wbt_disable_default(struct gendisk *disk);
         |      ^~~~~~~~~~~~~~~~~~~


vim +/wbt_disable_default +19 block/blk-wbt.h

e34cbd307477ae Jens Axboe        2016-11-09  18  
04aad37be1a88d Christoph Hellwig 2023-02-03 @19  static inline void wbt_disable_default(struct gendisk *disk)
e34cbd307477ae Jens Axboe        2016-11-09  20  {
e34cbd307477ae Jens Axboe        2016-11-09  21  }
04aad37be1a88d Christoph Hellwig 2023-02-03  22  static inline void wbt_enable_default(struct gendisk *disk)
e34cbd307477ae Jens Axboe        2016-11-09  23  {
e34cbd307477ae Jens Axboe        2016-11-09  24  }
e34cbd307477ae Jens Axboe        2016-11-09  25  

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