tree: https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git afs-operation head: 1f3c3f47e3f51601284088e397bdc243a1ee77d3 commit: 413a5d1b67a006f91aa592269237e11902a176ff [6/16] vfs: Make the inode hash table RCU searchable config: x86_64-allyesconfig (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 1ccde533425a4ba9d379510206ad680ff9702129) reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu git checkout 413a5d1b67a006f91aa592269237e11902a176ff # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): inode = find_inode_nowait(sbi->sb, ino, f2fs_match_ino, NULL); ^ fs/f2fs/node.c:1793:8: warning: incompatible integer to pointer conversion assigning to 'struct inode *' from 'int' [-Wint-conversion] inode = find_inode_nowait(sbi->sb, ino, f2fs_match_ino, NULL); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning and 1 error generated. vim +/find_inode_nowait +1793 fs/f2fs/node.c 052a82d85a3b3ee Chao Yu 2019-08-22 1786 052a82d85a3b3ee Chao Yu 2019-08-22 1787 static bool flush_dirty_inode(struct page *page) 052a82d85a3b3ee Chao Yu 2019-08-22 1788 { 052a82d85a3b3ee Chao Yu 2019-08-22 1789 struct f2fs_sb_info *sbi = F2FS_P_SB(page); 052a82d85a3b3ee Chao Yu 2019-08-22 1790 struct inode *inode; 052a82d85a3b3ee Chao Yu 2019-08-22 1791 nid_t ino = ino_of_node(page); 052a82d85a3b3ee Chao Yu 2019-08-22 1792 052a82d85a3b3ee Chao Yu 2019-08-22 @1793 inode = find_inode_nowait(sbi->sb, ino, f2fs_match_ino, NULL); 052a82d85a3b3ee Chao Yu 2019-08-22 1794 if (!inode) 052a82d85a3b3ee Chao Yu 2019-08-22 1795 return false; 052a82d85a3b3ee Chao Yu 2019-08-22 1796 052a82d85a3b3ee Chao Yu 2019-08-22 1797 f2fs_update_inode(inode, page); 052a82d85a3b3ee Chao Yu 2019-08-22 1798 unlock_page(page); 052a82d85a3b3ee Chao Yu 2019-08-22 1799 052a82d85a3b3ee Chao Yu 2019-08-22 1800 iput(inode); 052a82d85a3b3ee Chao Yu 2019-08-22 1801 return true; 052a82d85a3b3ee Chao Yu 2019-08-22 1802 } 052a82d85a3b3ee Chao Yu 2019-08-22 1803 :::::: The code at line 1793 was first introduced by commit :::::: 052a82d85a3b3eee6a386be2ba3b82278cf277ce f2fs: fix to writeout dirty inode during node flush :::::: TO: Chao Yu <yuchao0(a)huawei.com&gt; :::::: CC: Jaegeuk Kim <jaegeuk(a)kernel.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org