[dhowells-fs:afs-operation 9/18] fs/f2fs/node.c:1793:10: error: implicit declaration of function 'find_inode_nowait'

[dhowells-fs:afs-operation 9/18] fs/f2fs/node.c:1793:10: error: implicit declaration of function 'find_inode_nowait'

[kbuild test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git afs-operation
head:   a6acbd8fc907bea2455f1b0dadd17141a56f6921
commit: cd2f2a684aef6fc94a660a5ebefb6e48e4eec057 [9/18] vfs: Make the inode hash table RCU searchable
config: s390-randconfig-a001-20200427 (attached as .config)
compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 969e7edd88ceb4791eb1cac22828290f0ae30b3d)
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install s390 cross compiling tool for clang build
        # apt-get install binutils-s390-linux-gnu
        git checkout cd2f2a684aef6fc94a660a5ebefb6e48e4eec057
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=s390 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@intel.com>

All error/warnings (new ones prefixed by >>):

>> fs/f2fs/node.c:1793:10: error: implicit declaration of function 'find_inode_nowait' [-Werror,-Wimplicit-function-declaration]
           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

052a82d85a3b3e Chao Yu 2019-08-22  1786  
052a82d85a3b3e Chao Yu 2019-08-22  1787  static bool flush_dirty_inode(struct page *page)
052a82d85a3b3e Chao Yu 2019-08-22  1788  {
052a82d85a3b3e Chao Yu 2019-08-22  1789  	struct f2fs_sb_info *sbi = F2FS_P_SB(page);
052a82d85a3b3e Chao Yu 2019-08-22  1790  	struct inode *inode;
052a82d85a3b3e Chao Yu 2019-08-22  1791  	nid_t ino = ino_of_node(page);
052a82d85a3b3e Chao Yu 2019-08-22  1792  
052a82d85a3b3e Chao Yu 2019-08-22 @1793  	inode = find_inode_nowait(sbi->sb, ino, f2fs_match_ino, NULL);
052a82d85a3b3e Chao Yu 2019-08-22  1794  	if (!inode)
052a82d85a3b3e Chao Yu 2019-08-22  1795  		return false;
052a82d85a3b3e Chao Yu 2019-08-22  1796  
052a82d85a3b3e Chao Yu 2019-08-22  1797  	f2fs_update_inode(inode, page);
052a82d85a3b3e Chao Yu 2019-08-22  1798  	unlock_page(page);
052a82d85a3b3e Chao Yu 2019-08-22  1799  
052a82d85a3b3e Chao Yu 2019-08-22  1800  	iput(inode);
052a82d85a3b3e Chao Yu 2019-08-22  1801  	return true;
052a82d85a3b3e Chao Yu 2019-08-22  1802  }
052a82d85a3b3e 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@huawei.com>
:::::: CC: Jaegeuk Kim <jaegeuk@kernel.org>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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