Re: [PATCH v15] mm, pmem, xfs: Introduce MF_MEM_PRE_REMOVE for unbind

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Hi Shiyang,

kernel test robot noticed the following build errors:



url:    https://github.com/intel-lab-lkp/linux/commits/UPDATE-20230928-183310/Shiyang-Ruan/xfs-fix-the-calculation-for-end-and-length/20230629-161913
base:   the 2th patch of https://lore.kernel.org/r/20230629081651.253626-3-ruansy.fnst%40fujitsu.com
patch link:    https://lore.kernel.org/r/20230928103227.250550-1-ruansy.fnst%40fujitsu.com
patch subject: [PATCH v15] mm, pmem, xfs: Introduce MF_MEM_PRE_REMOVE for unbind
config: x86_64-rhel-8.3-rust (https://download.01.org/0day-ci/archive/20231001/202310010955.feI4HCwZ-lkp@xxxxxxxxx/config)
compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project.git 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231001/202310010955.feI4HCwZ-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/202310010955.feI4HCwZ-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

>> fs/xfs/xfs_notify_failure.c:127:27: error: use of undeclared identifier 'FREEZE_HOLDER_KERNEL'
           error = freeze_super(sb, FREEZE_HOLDER_KERNEL);
                                    ^
   fs/xfs/xfs_notify_failure.c:143:26: error: use of undeclared identifier 'FREEZE_HOLDER_KERNEL'
                   error = thaw_super(sb, FREEZE_HOLDER_KERNEL);
                                          ^
>> fs/xfs/xfs_notify_failure.c:153:17: error: use of undeclared identifier 'FREEZE_HOLDER_USERSPACE'
           thaw_super(sb, FREEZE_HOLDER_USERSPACE);
                          ^
   3 errors generated.


vim +/FREEZE_HOLDER_KERNEL +127 fs/xfs/xfs_notify_failure.c

   119	
   120	static int
   121	xfs_dax_notify_failure_freeze(
   122		struct xfs_mount	*mp)
   123	{
   124		struct super_block	*sb = mp->m_super;
   125		int			error;
   126	
 > 127		error = freeze_super(sb, FREEZE_HOLDER_KERNEL);
   128		if (error)
   129			xfs_emerg(mp, "already frozen by kernel, err=%d", error);
   130	
   131		return error;
   132	}
   133	
   134	static void
   135	xfs_dax_notify_failure_thaw(
   136		struct xfs_mount	*mp,
   137		bool			kernel_frozen)
   138	{
   139		struct super_block	*sb = mp->m_super;
   140		int			error;
   141	
   142		if (kernel_frozen) {
   143			error = thaw_super(sb, FREEZE_HOLDER_KERNEL);
   144			if (error)
   145				xfs_emerg(mp, "still frozen after notify failure, err=%d",
   146					error);
   147		}
   148	
   149		/*
   150		 * Also thaw userspace call anyway because the device is about to be
   151		 * removed immediately.
   152		 */
 > 153		thaw_super(sb, FREEZE_HOLDER_USERSPACE);
   154	}
   155	

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



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