[android-common:android14-6.1-2024-06 0/5] block/bio.c:1115:30: warning: variable 'page' set but not used

[android-common:android14-6.1-2024-06 0/5] block/bio.c:1115:30: warning: variable 'page' set but not used

[kernel test robot]

Hi Matthew,

FYI, the error/warning still remains.

tree:   https://android.googlesource.com/kernel/common android14-6.1-2024-06
head:   f2c25a3fab99d49c777fbf9af2d696fcdc877d76
commit: 9025ee1079291fac79c7fcc20086e9f0015f86f4 [0/5] block: Remove special-casing of compound pages
config: i386-buildonly-randconfig-001-20250325 (https://download.01.org/0day-ci/archive/20250326/202503260609.RBpxcDOW-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/20250326/202503260609.RBpxcDOW-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/202503260609.RBpxcDOW-lkp@intel.com/

All warnings (new ones prefixed by >>):

   block/bio.c: In function '__bio_release_pages':
>> block/bio.c:1115:30: warning: variable 'page' set but not used [-Wunused-but-set-variable]
    1115 |                 struct page *page;
         |                              ^~~~


vim +/page +1115 block/bio.c

  1109	
  1110	void __bio_release_pages(struct bio *bio, bool mark_dirty)
  1111	{
  1112		struct folio_iter fi;
  1113	
  1114		bio_for_each_folio_all(fi, bio) {
> 1115			struct page *page;
  1116			size_t done = 0;
  1117	
  1118			if (mark_dirty) {
  1119				folio_lock(fi.folio);
  1120				folio_mark_dirty(fi.folio);
  1121				folio_unlock(fi.folio);
  1122			}
  1123			page = folio_page(fi.folio, fi.offset / PAGE_SIZE);
  1124			do {
  1125				folio_put(fi.folio);
  1126				done += PAGE_SIZE;
  1127			} while (done < fi.length);
  1128		}
  1129	}
  1130	EXPORT_SYMBOL_GPL(__bio_release_pages);
  1131	

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