Hi Wengang, kernel test robot noticed the following build warnings: [auto build test WARNING on linus/master] [also build test WARNING on v6.7-rc5 next-20231215] [cannot apply to xfs-linux/for-next] [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/Wengang-Wang/xfs-defrag-introduce-strucutures-and-numbers/20231215-011549 base: linus/master patch link: https://lore.kernel.org/r/20231214170530.8664-3-wen.gang.wang%40oracle.com patch subject: [PATCH 2/9] xfs: defrag: initialization and cleanup config: loongarch-defconfig (https://download.01.org/0day-ci/archive/20231215/202312152127.vB6dhbqO-lkp@xxxxxxxxx/config) compiler: loongarch64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231215/202312152127.vB6dhbqO-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202312152127.vB6dhbqO-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> fs/xfs/xfs_defrag.c:58:6: warning: no previous prototype for 'xfs_initialize_defrag' [-Wmissing-prototypes] 58 | void xfs_initialize_defrag(struct xfs_mount *mp) | ^~~~~~~~~~~~~~~~~~~~~ >> fs/xfs/xfs_defrag.c:67:6: warning: no previous prototype for 'xfs_stop_wait_defrags' [-Wmissing-prototypes] 67 | void xfs_stop_wait_defrags(struct xfs_mount *mp) | ^~~~~~~~~~~~~~~~~~~~~ fs/xfs/xfs_defrag.c:80:5: warning: no previous prototype for 'xfs_file_defrag' [-Wmissing-prototypes] 80 | int xfs_file_defrag(struct file *filp, struct xfs_defrag *defrag) | ^~~~~~~~~~~~~~~ vim +/xfs_initialize_defrag +58 fs/xfs/xfs_defrag.c 56 57 /* initialization called for new mount */ > 58 void xfs_initialize_defrag(struct xfs_mount *mp) 59 { 60 sema_init(&mp->m_defrag_lock, 1); 61 mp->m_nr_defrag = 0; 62 mp->m_defrag_task = NULL; 63 INIT_LIST_HEAD(&mp->m_defrag_list); 64 } 65 66 /* stop all the defragmentations on this mount and wait until they really stopped */ > 67 void xfs_stop_wait_defrags(struct xfs_mount *mp) 68 { 69 down(&mp->m_defrag_lock); 70 if (list_empty(&mp->m_defrag_list)) { 71 up(&mp->m_defrag_lock); 72 return; 73 } 74 ASSERT(mp->m_defrag_task); 75 up(&mp->m_defrag_lock); 76 kthread_stop(mp->m_defrag_task); 77 mp->m_defrag_task = NULL; 78 } 79 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
