Hi Shiyang, Thank you for the patch! Yet something to improve: [auto build test ERROR on hnaz-mm/master] [also build test ERROR on next-20220408] [cannot apply to xfs-linux/for-next linus/master linux/master v5.18-rc1] [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] url: https://github.com/intel-lab-lkp/linux/commits/Shiyang-Ruan/fsdax-introduce-fs-query-to-support-reflink/20220411-001048 base: https://github.com/hnaz/linux-mm master config: s390-defconfig (https://download.01.org/0day-ci/archive/20220411/202204110240.oa3G7lsW-lkp@xxxxxxxxx/config) compiler: s390-linux-gcc (GCC) 11.2.0 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 # https://github.com/intel-lab-lkp/linux/commit/bf68be0c39b8ecc4223b948a9ee126af167d74f0 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Shiyang-Ruan/fsdax-introduce-fs-query-to-support-reflink/20220411-001048 git checkout bf68be0c39b8ecc4223b948a9ee126af167d74f0 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=s390 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): s390-linux-ld: fs/xfs/xfs_buf.o: in function `xfs_alloc_buftarg': >> fs/xfs/xfs_buf.c:1968: undefined reference to `xfs_dax_holder_operations' pahole: .tmp_vmlinux.btf: No such file or directory .btf.vmlinux.bin.o: file not recognized: file format not recognized vim +1968 fs/xfs/xfs_buf.c 1955 1956 struct xfs_buftarg * 1957 xfs_alloc_buftarg( 1958 struct xfs_mount *mp, 1959 struct block_device *bdev) 1960 { 1961 xfs_buftarg_t *btp; 1962 1963 btp = kmem_zalloc(sizeof(*btp), KM_NOFS); 1964 1965 btp->bt_mount = mp; 1966 btp->bt_dev = bdev->bd_dev; 1967 btp->bt_bdev = bdev; > 1968 btp->bt_daxdev = fs_dax_get_by_bdev(bdev, &btp->bt_dax_part_off, mp, 1969 &xfs_dax_holder_operations); 1970 1971 /* 1972 * Buffer IO error rate limiting. Limit it to no more than 10 messages 1973 * per 30 seconds so as to not spam logs too much on repeated errors. 1974 */ 1975 ratelimit_state_init(&btp->bt_ioerror_rl, 30 * HZ, 1976 DEFAULT_RATELIMIT_BURST); 1977 1978 if (xfs_setsize_buftarg_early(btp, bdev)) 1979 goto error_free; 1980 1981 if (list_lru_init(&btp->bt_lru)) 1982 goto error_free; 1983 1984 if (percpu_counter_init(&btp->bt_io_count, 0, GFP_KERNEL)) 1985 goto error_lru; 1986 1987 btp->bt_shrinker.count_objects = xfs_buftarg_shrink_count; 1988 btp->bt_shrinker.scan_objects = xfs_buftarg_shrink_scan; 1989 btp->bt_shrinker.seeks = DEFAULT_SEEKS; 1990 btp->bt_shrinker.flags = SHRINKER_NUMA_AWARE; 1991 if (register_shrinker(&btp->bt_shrinker)) 1992 goto error_pcpu; 1993 return btp; 1994 1995 error_pcpu: 1996 percpu_counter_destroy(&btp->bt_io_count); 1997 error_lru: 1998 list_lru_destroy(&btp->bt_lru); 1999 error_free: 2000 kmem_free(btp); 2001 return NULL; 2002 } 2003 -- 0-DAY CI Kernel Test Service https://01.org/lkp
