Hi Zheng,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on next-20221122]

url:    https://github.com/intel-lab-lkp/linux/commits/Zheng-Yongjun/fs-dlm-Fix-build-error-without-DEBUG_LOCK_ALLOC/20221123-145551
patch link:    https://lore.kernel.org/r/20221123065319.56756-1-zhengyongjun3%40huawei.com
patch subject: [PATCH -next] fs: dlm: Fix build error without DEBUG_LOCK_ALLOC
config: x86_64-kismet-CONFIG_DEBUG_LOCK_ALLOC-CONFIG_DLM-0-0
reproduce:
        # https://github.com/intel-lab-lkp/linux/commit/4d4ed8e34405dd08de09199be7e0dbdb8cf7c466
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Zheng-Yongjun/fs-dlm-Fix-build-error-without-DEBUG_LOCK_ALLOC/20221123-145551
        git checkout 4d4ed8e34405dd08de09199be7e0dbdb8cf7c466
        # 1. reproduce by kismet
           # install kmax per https://github.com/paulgazz/kmax/blob/master/README.md
           kismet --linux-ksrc=linux --selectees CONFIG_DEBUG_LOCK_ALLOC --selectors CONFIG_DLM -a=x86_64
        # 2. reproduce by make
           # save the config file to linux source tree
           cd linux
           make ARCH=x86_64 olddefconfig

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

kismet warnings: (new ones prefixed by >>)
>> kismet: WARNING: unmet direct dependencies detected for DEBUG_LOCK_ALLOC when selected by DLM
   
   WARNING: unmet direct dependencies detected for DEBUG_LOCK_ALLOC
     Depends on [n]: DEBUG_KERNEL [=n] && LOCK_DEBUGGING_SUPPORT [=y]
     Selected by [y]:
     - DLM [=y] && INET [=y] && SYSFS [=y] && CONFIGFS_FS [=y] && (IPV6 [=n] || IPV6 [=n]=n)

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