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X-CSE-ConnectionGUID: urvQk9P/Rx+NZYTq70KrSA== X-CSE-MsgGUID: /44A4KTsQvOVBqQqDjHwhg== X-IronPort-AV: E=McAfee;i="6800,10657,11935"; a="780214" X-IronPort-AV: E=Sophos;i="6.27,158,1787036400"; d="scan'208";a="780214" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Oct 2026 15:11:57 -0700 X-CSE-ConnectionGUID: 7oiH7aJxRlmtLc/lV+tzTQ== X-CSE-MsgGUID: vtq5lRs5QVW344wXuxviTA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,158,1787036400"; d="scan'208";a="1445474" Received: from lkp-server01.sh.intel.com (HELO 0caa9d2d175c) ([10.239.97.150]) by orviesa005.jf.intel.com with ESMTP; 14 Oct 2026 15:11:56 -0700 Received: from kbuild by 0caa9d2d175c with local (Exim 4.98.2) (envelope-from ) id 1xH7CT-00000000FFL-0oYP; Wed, 14 Oct 2026 22:11:53 +0000 Date: Thu, 15 Oct 2026 06:11:51 +0800 From: kernel test robot To: cros-kernel-buildreports@googlegroups.com Cc: oe-kbuild-all@lists.linux.dev Subject: [android-common:android16-6.12 0/1] fs/fs-writeback.c:138:6: warning: no previous prototype for function 'wb_wakeup' Message-ID: <202610150620.rWPaTERy-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Hi Bo, FYI, the error/warning still remains. tree: https://android.googlesource.com/kernel/common android16-6.12 head: c82b35cb007f01c9aef84e93febc8961486d59ec commit: 55cf94258af72fd493779ab2b7a4278d5c8d1d21 [0/1] ANDROID: writeback: export symbols to do a hierarchical writeback control config: i386-randconfig-1001-20261014 (https://download.01.org/0day-ci/archive/20261015/202610150620.rWPaTERy-lkp@intel.com/config) compiler: clang version 22.1.8 (https://github.com/llvm/llvm-project ca7933e47d3a3451d81e72ac174dcb5aa28b59d1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261015/202610150620.rWPaTERy-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202610150620.rWPaTERy-lkp@intel.com/ All warnings (new ones prefixed by >>): >> fs/fs-writeback.c:138:6: warning: no previous prototype for function 'wb_wakeup' [-Wmissing-prototypes] 138 | void wb_wakeup(struct bdi_writeback *wb) | ^ fs/fs-writeback.c:138:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 138 | void wb_wakeup(struct bdi_writeback *wb) | ^ | static >> fs/fs-writeback.c:1349:6: warning: no previous prototype for function 'redirty_tail_locked' [-Wmissing-prototypes] 1349 | void redirty_tail_locked(struct inode *inode, struct bdi_writeback *wb) | ^ fs/fs-writeback.c:1349:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 1349 | void redirty_tail_locked(struct inode *inode, struct bdi_writeback *wb) | ^ | static 2 warnings generated. vim +/wb_wakeup +138 fs/fs-writeback.c 137 > 138 void wb_wakeup(struct bdi_writeback *wb) 139 { 140 spin_lock_irq(&wb->work_lock); 141 if (test_bit(WB_registered, &wb->state)) 142 mod_delayed_work(bdi_wq, &wb->dwork, 0); 143 spin_unlock_irq(&wb->work_lock); 144 } 145 EXPORT_SYMBOL_GPL(wb_wakeup); 146 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki