tree: git://git.infradead.org/users/hch/xfs iomap-invalidate head: 507f01124bb898462c40ab38fd4c66a38ce70d0a commit: 507f01124bb898462c40ab38fd4c66a38ce70d0a [4/4] iomap: fall back to buffered writes for invalidation failures config: alpha-allmodconfig (attached as .config) compiler: alpha-linux-gcc (GCC) 9.3.0 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 git checkout 507f01124bb898462c40ab38fd4c66a38ce70d0a # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=alpha If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): fs/zonefs/super.c: In function 'zonefs_file_write_iter': 790 | ret = zonefs_file_dio_write(iocb, from); | ^~~ | net fs/zonefs/super.c:790:3: note: each undeclared identifier is reported only once for each function it appears in vim +790 fs/zonefs/super.c 774 775 static ssize_t zonefs_file_write_iter(struct kiocb *iocb, struct iov_iter *from) 776 { 777 struct inode *inode = file_inode(iocb->ki_filp); 778 779 if (unlikely(IS_IMMUTABLE(inode))) 780 return -EPERM; 781 782 if (sb_rdonly(inode->i_sb)) 783 return -EROFS; 784 785 /* Write operations beyond the zone size are not allowed */ 786 if (iocb->ki_pos >= ZONEFS_I(inode)->i_max_size) 787 return -EFBIG; 788 789 if (iocb->ki_flags & IOCB_DIRECT) { 791 if (ret != -ENOTBLK) 792 return ret; 793 } 794 795 return zonefs_file_buffered_write(iocb, from); 796 } 797 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org