[kbuild-all] fs/xfs/xfs_icache.c:321:1: warning: unused function 'xfs_inew_wait'

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: c8c109546a19613d323a319d0c921cb1f317e629 commit: 777eb1fa857ec38afd518b3adc25cfac0f4af13b xfs: remove xfs_dqrele_all_inodes date: 3 months ago config: mips-randconfig-r002-20211113 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c3dddeeafb529e769cde87bd29ef6271ac6bfa5c) 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 # install mips cross compiling tool for clang build # apt-get install binutils-mips-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 777eb1fa857ec38afd518b3adc25cfac0f4af13b # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/pci/controller/ fs/xfs/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): xfs_inew_wait( ^ fatal error: error in backend: Nested variants found in inline asm string: '.if ( 0x00 ) != -1)) 0x00 ) != -1)) : ($( static struct ftrace_branch_data __attribute__((__aligned__(4))) __attribute__((__section__("_ftrace_branch"))) __if_trace = $( .func = __func__, .file = "arch/mips/include/asm/barrier.h", .line = 27, $); 0x00 ) != -1)) : $))) ) && ( (1 << 0) ); .set push; .set mips64r2; .rept 1; sync 0x00; .endr; .set pop; .else; ; .endif' clang-14: error: clang frontend command failed with exit code 70 (use -v to see invocation) clang version 14.0.0 (git://gitmirror/llvm_project c3dddeeafb529e769cde87bd29ef6271ac6bfa5c) Target: mips64el-unknown-linux Thread model: posix InstalledDir: /opt/cross/clang-c3dddeeafb/bin clang-14: note: diagnostic msg: Makefile arch drivers fs include kernel nr_bisected scripts source usr virt vim +/xfs_inew_wait +321 fs/xfs/xfs_icache.c ad438c4038968e Dave Chinner 2016-05-18 319 7fdff52623b4df Darrick J. Wong 2021-05-31 320 static inline void ae2c4ac2dd39b2 Brian Foster 2017-04-26 @321 xfs_inew_wait( ae2c4ac2dd39b2 Brian Foster 2017-04-26 322 struct xfs_inode *ip) ae2c4ac2dd39b2 Brian Foster 2017-04-26 323 { ae2c4ac2dd39b2 Brian Foster 2017-04-26 324 wait_queue_head_t *wq = bit_waitqueue(&ip->i_flags, __XFS_INEW_BIT); ae2c4ac2dd39b2 Brian Foster 2017-04-26 325 DEFINE_WAIT_BIT(wait, &ip->i_flags, __XFS_INEW_BIT); ae2c4ac2dd39b2 Brian Foster 2017-04-26 326 ae2c4ac2dd39b2 Brian Foster 2017-04-26 327 do { 2141713616c652 Ingo Molnar 2017-03-05 328 prepare_to_wait(wq, &wait.wq_entry, TASK_UNINTERRUPTIBLE); ae2c4ac2dd39b2 Brian Foster 2017-04-26 329 if (!xfs_iflags_test(ip, XFS_INEW)) ae2c4ac2dd39b2 Brian Foster 2017-04-26 330 break; ae2c4ac2dd39b2 Brian Foster 2017-04-26 331 schedule(); ae2c4ac2dd39b2 Brian Foster 2017-04-26 332 } while (true); 2141713616c652 Ingo Molnar 2017-03-05 333 finish_wait(wq, &wait.wq_entry); ae2c4ac2dd39b2 Brian Foster 2017-04-26 334 } ae2c4ac2dd39b2 Brian Foster 2017-04-26 335 :::::: The code at line 321 was first introduced by commit :::::: ae2c4ac2dd39b23a87ddb14ceddc3f2872c6aef5 xfs: update ag iterator to support wait on new inodes :::::: TO: Brian Foster <bfoster(a)redhat.com&gt; :::::: CC: Darrick J. Wong <darrick.wong(a)oracle.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org