tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 8dca2cd055ffb78b37f52f0bf0bd20c249619c4d commit: ff78b94429268be1c7104f6c6bf7e51de1be91e0 [3561/4499] NFSD add vfs_fsync after async copy is done config: mips-randconfig-s031-20210522 (attached as .config) compiler: mips-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.3-341-g8af24329-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commi... git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout ff78b94429268be1c7104f6c6bf7e51de1be91e0 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=mips If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) command-line: note: in included file: builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_ACQUIRE redefined builtin:0:0: sparse: this was the original definition builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_SEQ_CST redefined builtin:0:0: sparse: this was the original definition builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_ACQ_REL redefined builtin:0:0: sparse: this was the original definition builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_RELEASE redefined builtin:0:0: sparse: this was the original definition fs/nfsd/nfs4proc.c:1411:24: sparse: expected restricted __be32 [usertype] status fs/nfsd/nfs4proc.c:1411:24: sparse: got int vim +1411 fs/nfsd/nfs4proc.c 1383 1384 static ssize_t _nfsd_copy_file_range(struct nfsd4_copy *copy) 1385 { 1386 ssize_t bytes_copied = 0; 1387 u64 bytes_total = copy->cp_count; 1388 u64 src_pos = copy->cp_src_pos; 1389 u64 dst_pos = copy->cp_dst_pos; 1390 __be32 status; 1391 1392 /* See RFC 7862 p.67: */ 1393 if (bytes_total == 0) 1394 bytes_total = ULLONG_MAX; 1395 do { 1396 if (kthread_should_stop()) 1397 break; 1398 bytes_copied = nfsd_copy_file_range(copy->nf_src->nf_file, 1399 src_pos, copy->nf_dst->nf_file, dst_pos, 1400 bytes_total); 1401 if (bytes_copied <= 0) 1402 break; 1403 bytes_total -= bytes_copied; 1404 copy->cp_res.wr_bytes_written += bytes_copied; 1405 src_pos += bytes_copied; 1406 dst_pos += bytes_copied; 1407 } while (bytes_total > 0 && !copy->cp_synchronous); 1408 /* for a non-zero asynchronous copy do a commit of data */ 1409 if (!copy->cp_synchronous && copy->cp_res.wr_bytes_written > 0) { 1410 down_write(&copy->nf_dst->nf_rwsem); 1412 copy->cp_dst_pos, 1413 copy->cp_res.wr_bytes_written, 0); 1414 up_write(&copy->nf_dst->nf_rwsem); 1415 if (!status) 1416 copy->committed = true; 1417 } 1418 return bytes_copied; 1419 } 1420 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org