Re: [PATCH] ntfs: fix mrec_lock ABBA deadlock in rename

[kernel test robot]

Hi Peiyang,

kernel test robot noticed the following build errors:

[auto build test ERROR on 1a3746ccbb0a97bed3c06ccde6b880013b1dddc1]

url:    https://github.com/intel-lab-lkp/linux/commits/Peiyang-He/ntfs-fix-mrec_lock-ABBA-deadlock-in-rename/20260629-185343
base:   1a3746ccbb0a97bed3c06ccde6b880013b1dddc1
patch link:    https://lore.kernel.org/r/53BDDD94CF346272%2B20260629105036.2137914-1-peiyang_he%40smail.nju.edu.cn
patch subject: [PATCH] ntfs: fix mrec_lock ABBA deadlock in rename
config: arm-randconfig-001-20260629 (https://download.01.org/0day-ci/archive/20260630/202606300141.H6Io52CJ-lkp@xxxxxxxxx/config)
compiler: arm-linux-gnueabi-gcc (GCC) 10.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260630/202606300141.H6Io52CJ-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/202606300141.H6Io52CJ-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: "d_ancestor" [fs/ntfs/ntfs.ko] undefined!

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