tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git 20231010-fs-freeze-v2
head:   6e25c9a3fcab3fa9de5b5924b4e87a8ccb1fbf2f
commit: fba0067ff43c46c4bcca651768033d27ea31bab1 [1/13] fs: unify locking semantics for fs freeze / thaw
config: i386-randconfig-a011
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git/commit/?id=fba0067ff43c46c4bcca651768033d27ea31bab1
        git remote add mcgrof-next https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git
        git fetch --no-tags mcgrof-next 20231010-fs-freeze-v2
        git checkout fba0067ff43c46c4bcca651768033d27ea31bab1
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash fs/gfs2/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> fs/gfs2/super.c:665:3: error: void function 'gfs2_freeze_func' should not return a value [-Wreturn-type]
                   return -ENOTTY;
                   ^      ~~~~~~~
   1 error generated.
--
>> fs/gfs2/sys.c:165:23: error: use of undeclared identifier 'sb'
           if (!grab_lock_super(sb))
                                ^
>> fs/gfs2/sys.c:165:23: error: use of undeclared identifier 'sb'
>> fs/gfs2/sys.c:165:23: error: use of undeclared identifier 'sb'
   fs/gfs2/sys.c:176:27: error: use of undeclared identifier 'sb'
                   deactivate_locked_super(sb);
                                           ^
   fs/gfs2/sys.c:180:26: error: use of undeclared identifier 'sb'
           deactivate_locked_super(sb);
                                   ^
   5 errors generated.


vim +/gfs2_freeze_func +665 fs/gfs2/super.c

   656	
   657	void gfs2_freeze_func(struct work_struct *work)
   658	{
   659		int error;
   660		struct gfs2_holder freeze_gh;
   661		struct gfs2_sbd *sdp = container_of(work, struct gfs2_sbd, sd_freeze_work);
   662		struct super_block *sb = sdp->sd_vfs;
   663	
   664		if (!grab_lock_super(sb))
 > 665			return -ENOTTY;
   666	
   667		error = gfs2_freeze_lock(sdp, &freeze_gh, 0);
   668		if (error) {
   669			gfs2_assert_withdraw(sdp, 0);
   670		} else {
   671			atomic_set(&sdp->sd_freeze_state, SFS_UNFROZEN);
   672			error = thaw_super(sb);
   673			if (error) {
   674				fs_info(sdp, "GFS2: couldn't thaw filesystem: %d\n",
   675					error);
   676				gfs2_assert_withdraw(sdp, 0);
   677			}
   678			gfs2_freeze_unlock(&freeze_gh);
   679		}
   680		deactivate_locked_super(sb);
   681		clear_bit_unlock(SDF_FS_FROZEN, &sdp->sd_flags);
   682		wake_up_bit(&sdp->sd_flags, SDF_FS_FROZEN);
   683		return;
   684	}
   685	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests