Hi Hongchen, Thank you for the patch! Yet something to improve: [auto build test ERROR on c8451c141e07a8d05693f6c8d0e418fbb4b68bb7] url: https://github.com/intel-lab-lkp/linux/commits/Hongchen-Zhang/pipe-use-__pipe_-lock-unlock-instead-of-spinlock/20230103-110504 base: c8451c141e07a8d05693f6c8d0e418fbb4b68bb7 patch link: https://lore.kernel.org/r/20230103030329.20252-1-zhanghongchen%40loongson.cn patch subject: [PATCH] pipe: use __pipe_{lock,unlock} instead of spinlock config: x86_64-rhel-8.3-kselftests compiler: gcc-11 (Debian 11.3.0-8) 11.3.0 reproduce (this is a W=1 build): # https://github.com/intel-lab-lkp/linux/commit/74b922b9da7ec76cce2065114d07afc5065b2df9 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Hongchen-Zhang/pipe-use-__pipe_-lock-unlock-instead-of-spinlock/20230103-110504 git checkout 74b922b9da7ec76cce2065114d07afc5065b2df9 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 olddefconfig make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash net/tls/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All errors (new ones prefixed by >>): In file included from include/linux/splice.h:12, from net/tls/tls_sw.c:41: include/linux/pipe_fs_i.h: In function '__pipe_lock': >> include/linux/pipe_fs_i.h:228:41: error: 'I_MUTEX_PARENT' undeclared (first use in this function) 228 | mutex_lock_nested(&pipe->mutex, I_MUTEX_PARENT); | ^~~~~~~~~~~~~~ include/linux/pipe_fs_i.h:228:41: note: each undeclared identifier is reported only once for each function it appears in vim +/I_MUTEX_PARENT +228 include/linux/pipe_fs_i.h 224 225 /* Pipe lock and unlock operations */ 226 static inline void __pipe_lock(struct pipe_inode_info *pipe) 227 { > 228 mutex_lock_nested(&pipe->mutex, I_MUTEX_PARENT); 229 } 230 -- 0-DAY CI Kernel Test Service https://01.org/lkp