tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: 908c8608d2c0fcf6f49b1f48f074515c42474946 commit: c55fa11d134b40dbe1a4a5512a7fe43497cb6d5e [2612/2612] fscache: limit fscache_object_max_active to avoid blocking config: x86_64-buildonly-randconfig-002-20241231 (https://download.01.org/0day-ci/archive/20241231/202412311354.iggKIx0H-lkp@i...) 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/20241231/202412311354.iggKIx0H-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/202412311354.iggKIx0H-lkp@intel.com/

All warnings (new ones prefixed by >>):

...

fs/fscache/main.c:52:21: warning: 'fscache_min_op_max_active' defined but not used [-Wunused-variable]

52 | static unsigned int fscache_min_op_max_active = FSCACHE_MIN_OBJECT_MAX_ACTIVE / 2; | ^~~~~~~~~~~~~~~~~~~~~~~~~

...

fs/fscache/main.c:51:21: warning: 'fscache_min_object_max_active' defined but not used [-Wunused-variable]

51 | static unsigned int fscache_min_object_max_active = FSCACHE_MIN_OBJECT_MAX_ACTIVE; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

vim +/fscache_min_op_max_active +52 fs/fscache/main.c

46 47 /* these values serve as lower bounds, will be adjusted in fscache_init() */ 48 #define FSCACHE_MIN_OBJECT_MAX_ACTIVE 4 49 static unsigned int fscache_object_max_active = FSCACHE_MIN_OBJECT_MAX_ACTIVE; 50 static unsigned int fscache_op_max_active = FSCACHE_MIN_OBJECT_MAX_ACTIVE / 2;

51 static unsigned int fscache_min_object_max_active = FSCACHE_MIN_OBJECT_MAX_ACTIVE; 52 static unsigned int fscache_min_op_max_active = FSCACHE_MIN_OBJECT_MAX_ACTIVE / 2;

53