Hi Vasily, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on trondmy-nfs/linux-next] [also build test WARNING on v5.16-rc7 next-20211224] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Vasily-Averin/nfs-local_lock-handle-async-processing-of-F_SETLK-with-FL_SLEEP/20211227-184705 base: git://git.linux-nfs.org/projects/trondmy/linux-nfs.git linux-next config: i386-randconfig-r034-20211227 (https://download.01.org/0day-ci/archive/20211227/202112272042.Xlz50x0x-lkp@xxxxxxxxx/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 511726c64d3b6cca66f7c54d457d586aa3129f67) 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://github.com/0day-ci/linux/commit/00e7edbaaa914f1b049ab8a652c5a91483f4141d git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Vasily-Averin/nfs-local_lock-handle-async-processing-of-F_SETLK-with-FL_SLEEP/20211227-184705 git checkout 00e7edbaaa914f1b049ab8a652c5a91483f4141d # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash fs/nfs/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> fs/nfs/file.c:772:25: warning: use of logical '&&' with constant operand [-Wconstant-logical-operand] else if ((fl->fl_flags && FL_SLEEP) && IS_SETLK(cmd)) ^ ~~~~~~~~ fs/nfs/file.c:772:25: note: use '&' for a bitwise operation else if ((fl->fl_flags && FL_SLEEP) && IS_SETLK(cmd)) ^~ & fs/nfs/file.c:772:25: note: remove constant to silence this warning else if ((fl->fl_flags && FL_SLEEP) && IS_SETLK(cmd)) ~^~~~~~~~~~~ 1 warning generated. vim +772 fs/nfs/file.c 751 752 static int 753 do_setlk(struct file *filp, int cmd, struct file_lock *fl, int is_local) 754 { 755 struct inode *inode = filp->f_mapping->host; 756 int status; 757 758 /* 759 * Flush all pending writes before doing anything 760 * with locks.. 761 */ 762 status = nfs_sync_mapping(filp->f_mapping); 763 if (status != 0) 764 goto out; 765 766 /* 767 * Use local locking if mounted with "-onolock" or with appropriate 768 * "-olocal_lock=" 769 */ 770 if (!is_local) 771 status = NFS_PROTO(inode)->lock(filp, cmd, fl); > 772 else if ((fl->fl_flags && FL_SLEEP) && IS_SETLK(cmd)) 773 status = posix_lock_file(filp, fl, NULL); 774 else 775 status = locks_lock_file_wait(filp, fl); 776 if (status) 777 goto out; 778 779 /* 780 * Invalidate cache to prevent missing any changes. If 781 * the file is mapped, clear the page cache as well so 782 * those mappings will be loaded. 783 * 784 * This makes locking act as a cache coherency point. 785 */ 786 nfs_sync_mapping(filp->f_mapping); 787 if (!NFS_PROTO(inode)->have_delegation(inode, FMODE_READ)) { 788 nfs_zap_caches(inode); 789 if (mapping_mapped(filp->f_mapping)) 790 nfs_revalidate_mapping(inode, filp->f_mapping); 791 } 792 out: 793 return status; 794 } 795 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx