Hi Paul, kernel test robot noticed the following build errors: [auto build test ERROR on mszeredi-fuse/for-next] [also build test ERROR on linus/master v6.16-rc2 next-20250618] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Paul-Lawrence/fuse-Add-backing-file-option-to-lookup/20250618-061717 base: https://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse.git for-next patch link: https://lore.kernel.org/r/20250617221456.888231-2-paullawrence%40google.com patch subject: [PATCH v1 1/2] fuse: Add backing file option to lookup config: i386-randconfig-001-20250618 (https://download.01.org/0day-ci/archive/20250618/202506182126.iGTKLLEc-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250618/202506182126.iGTKLLEc-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202506182126.iGTKLLEc-lkp@xxxxxxxxx/ All error/warnings (new ones prefixed by >>): fs/fuse/inode.c: In function 'fuse_inode_backing_eq': >> fs/fuse/inode.c:479:44: error: 'struct fuse_inode' has no member named 'backing_inode' 479 | && fii->backing_inode == fi->backing_inode; | ^~ >> fs/fuse/inode.c:480:1: warning: control reaches end of non-void function [-Wreturn-type] 480 | } | ^ vim +479 fs/fuse/inode.c 471 472 static int fuse_inode_backing_eq(struct inode *inode, void *_nodeidp) 473 { 474 struct fuse_inode_identifier *fii = 475 (struct fuse_inode_identifier *) _nodeidp; 476 struct fuse_inode *fi = get_fuse_inode(inode); 477 478 return fii->nodeid == fi->nodeid > 479 && fii->backing_inode == fi->backing_inode; > 480 } 481 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki