tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 1b907d0507354b74a4f2c286380cd6059af79248 commit: ad0af7104dadccd55cd2b390271677fac142650f vfs: introduce inode 'inuse' lock date: 6 years ago config: x86_64-randconfig-a001-20230604 (https://download.01.org/0day-ci/archive/20231112/202311121628.byHp8tkv-lkp@xxxxxxxxx/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/20231112/202311121628.byHp8tkv-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/202311121628.byHp8tkv-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> fs/overlayfs/util.c:352: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Caller must hold a reference to inode to prevent it from being freed while vim +352 fs/overlayfs/util.c 350 351 /** > 352 * Caller must hold a reference to inode to prevent it from being freed while 353 * it is marked inuse. 354 */ 355 bool ovl_inuse_trylock(struct dentry *dentry) 356 { 357 struct inode *inode = d_inode(dentry); 358 bool locked = false; 359 360 spin_lock(&inode->i_lock); 361 if (!(inode->i_state & I_OVL_INUSE)) { 362 inode->i_state |= I_OVL_INUSE; 363 locked = true; 364 } 365 spin_unlock(&inode->i_lock); 366 367 return locked; 368 } 369 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki