tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: ba07135cf74b1424e2f7f0c60e59c5b206ab320c commit: 70e6748c08ab45df178269e4e3ae6da56c33af54 [1743/1743] bcache: fix failure in journal relplay config: x86_64-buildonly-randconfig-2004-20250802 (https://download.01.org/0day-ci/archive/20250804/202508042020.dTIoVoFF-lkp@i...) compiler: gcc-11 (Debian 11.3.0-12) 11.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250804/202508042020.dTIoVoFF-lkp@i...) 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/202508042020.dTIoVoFF-lkp@intel.com/ All warnings (new ones prefixed by >>):

...

drivers/md/bcache/journal.c:320:6: warning: no previous prototype for 'is_discard_enabled' [-Wmissing-prototypes] 320 | bool is_discard_enabled(struct cache_set *s) | ^~~~~~~~~~~~~~~~~~

vim +/is_discard_enabled +320 drivers/md/bcache/journal.c 319

320 bool is_discard_enabled(struct cache_set *s) 321 { 322 struct cache *ca; 323 unsigned int i; 324 325 for_each_cache(ca, s, i) 326 if (ca->discard) 327 return true; 328 329 return false; 330 } 331

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