fs/overlayfs/util.c:352: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst

[kernel test robot <lkp@intel.com>]

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@intel.com/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@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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311121628.byHp8tkv-lkp@intel.com/

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	

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