Hi Chao, [auto build test WARNING on f2fs/dev] [also build test WARNING on v4.11-rc2 next-20170310] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Chao-Yu/f2fs-don-t-allow-volatile-writes-for-non-regular-file/20170319-221605 base: https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git dev reproduce: # apt-get install sparse make ARCH=x86_64 allmodconfig make C=1 CF=-D__CHECK_ENDIAN__ sparse warnings: (new ones prefixed by >>) include/linux/compiler.h:264:8: sparse: attribute 'no_sanitize_address': unknown attribute >> fs/f2fs/file.c:1598:14: sparse: incompatible types for operation (&) fs/f2fs/file.c:1598:14: left side has type struct inode *inode fs/f2fs/file.c:1598:14: right side has type int fs/f2fs/file.c:1598:14: sparse: incompatible types for operation (==) fs/f2fs/file.c:1598:14: left side has type bad type fs/f2fs/file.c:1598:14: right side has type int In file included from include/linux/stat.h:6:0, from include/linux/fs.h:9, from fs/f2fs/file.c:11: fs/f2fs/file.c: In function 'f2fs_ioc_start_volatile_write': include/uapi/linux/stat.h:20:26: error: invalid operands to binary & (have 'struct inode *' and 'int') #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG) ^ fs/f2fs/file.c:1598:7: note: in expansion of macro 'S_ISREG' if (!S_ISREG(inode)) ^~~~~~~ vim +1598 fs/f2fs/file.c 1582 ret = f2fs_do_sync_file(filp, 0, LLONG_MAX, 0, true); 1583 } 1584 err_out: 1585 inode_unlock(inode); 1586 mnt_drop_write_file(filp); 1587 return ret; 1588 } 1589 1590 static int f2fs_ioc_start_volatile_write(struct file *filp) 1591 { 1592 struct inode *inode = file_inode(filp); 1593 int ret; 1594 1595 if (!inode_owner_or_capable(inode)) 1596 return -EACCES; 1597 > 1598 if (!S_ISREG(inode)) 1599 return -EINVAL; 1600 1601 ret = mnt_want_write_file(filp); 1602 if (ret) 1603 return ret; 1604 1605 inode_lock(inode); 1606 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
