CC: kbuild-...@lists.01.org CC: "Darrick J. Wong" <darrick.w...@oracle.com> TO: "Darrick J. Wong" <darrick.w...@oracle.com>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git repair-metadata-atomically head: d334005df02786c9f288f2c7060603e9680946b5 commit: 4dafcd0f4f188da560e3610a0b8dd95668ce9fba [224/229] xfs: remove old swap extents implementation :::::: branch date: 29 hours ago :::::: commit date: 29 hours ago config: s390-randconfig-s002-20200524 (attached as .config) compiler: s390-linux-gcc (GCC) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.1-240-gf0fe1cd9-dirty git checkout 4dafcd0f4f188da560e3610a0b8dd95668ce9fba # save the attached .config to linux build tree make W=1 C=1 ARCH=s390 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <l...@intel.com> sparse warnings: (new ones prefixed by >>) fs/xfs/xfs_ioctl.c:1866:1: sparse: sparse: symbol 'xfs_ioc_swapext' redeclared with different type (incompatible argument 1 (different address spaces)): >> fs/xfs/xfs_ioctl.c:1866:1: sparse: int extern [addressable] [signed] >> [toplevel] xfs_ioc_swapext( ... ) fs/xfs/xfs_ioctl.h:20:1: sparse: note: previously declared as: >> fs/xfs/xfs_ioctl.h:20:1: sparse: int extern [addressable] [signed] >> [toplevel] xfs_ioc_swapext( ... ) # https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git/commit/?id=4dafcd0f4f188da560e3610a0b8dd95668ce9fba git remote add djwong-xfs https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git git remote update djwong-xfs git checkout 4dafcd0f4f188da560e3610a0b8dd95668ce9fba vim +1866 fs/xfs/xfs_ioctl.c 36fd6e863cb7329 Darrick J. Wong 2017-10-17 1864 a133d952b44cef2 Dave Chinner 2013-08-12 1865 int a133d952b44cef2 Dave Chinner 2013-08-12 @1866 xfs_ioc_swapext( 4dafcd0f4f188da Darrick J. Wong 2020-03-30 1867 struct xfs_swapext __user *arg) a133d952b44cef2 Dave Chinner 2013-08-12 1868 { 4dafcd0f4f188da Darrick J. Wong 2020-03-30 1869 struct xfs_swapext sx; 4dafcd0f4f188da Darrick J. Wong 2020-03-30 1870 struct file_swap_range fsr = { 0 }; 4dafcd0f4f188da Darrick J. Wong 2020-03-30 1871 struct fd fd2, fd1; a133d952b44cef2 Dave Chinner 2013-08-12 1872 int error = 0; a133d952b44cef2 Dave Chinner 2013-08-12 1873 4dafcd0f4f188da Darrick J. Wong 2020-03-30 1874 if (copy_from_user(&sx, arg, sizeof(struct xfs_swapext))) 4dafcd0f4f188da Darrick J. Wong 2020-03-30 1875 return -EFAULT; a133d952b44cef2 Dave Chinner 2013-08-12 1876 4dafcd0f4f188da Darrick J. Wong 2020-03-30 1877 fd2 = fdget((int)sx.sx_fdtarget); 4dafcd0f4f188da Darrick J. Wong 2020-03-30 1878 if (!fd2.file) 4dafcd0f4f188da Darrick J. Wong 2020-03-30 1879 return -EINVAL; a133d952b44cef2 Dave Chinner 2013-08-12 1880 4dafcd0f4f188da Darrick J. Wong 2020-03-30 1881 fd1 = fdget((int)sx.sx_fdtmp); 4dafcd0f4f188da Darrick J. Wong 2020-03-30 1882 if (!fd1.file) { 2451337dd043901 Dave Chinner 2014-06-25 1883 error = -EINVAL; 4dafcd0f4f188da Darrick J. Wong 2020-03-30 1884 goto dest_fdput; a133d952b44cef2 Dave Chinner 2013-08-12 1885 } a133d952b44cef2 Dave Chinner 2013-08-12 1886 4dafcd0f4f188da Darrick J. Wong 2020-03-30 1887 fsr.file1_fd = sx.sx_fdtmp; 4dafcd0f4f188da Darrick J. Wong 2020-03-30 1888 fsr.length = sx.sx_length; 4dafcd0f4f188da Darrick J. Wong 2020-03-30 1889 fsr.flags = FILE_SWAP_RANGE_NONATOMIC | FILE_SWAP_RANGE_FILE2_FRESH | 4dafcd0f4f188da Darrick J. Wong 2020-03-30 1890 FILE_SWAP_RANGE_FULL_FILES; 4dafcd0f4f188da Darrick J. Wong 2020-03-30 1891 fsr.file2_ino = sx.sx_stat.bs_ino; 4dafcd0f4f188da Darrick J. Wong 2020-03-30 1892 fsr.file2_mtime = sx.sx_stat.bs_mtime.tv_sec; 4dafcd0f4f188da Darrick J. Wong 2020-03-30 1893 fsr.file2_ctime = sx.sx_stat.bs_ctime.tv_sec; 4dafcd0f4f188da Darrick J. Wong 2020-03-30 1894 fsr.file2_mtime_nsec = sx.sx_stat.bs_mtime.tv_nsec; 4dafcd0f4f188da Darrick J. Wong 2020-03-30 1895 fsr.file2_ctime_nsec = sx.sx_stat.bs_ctime.tv_nsec; a133d952b44cef2 Dave Chinner 2013-08-12 1896 4dafcd0f4f188da Darrick J. Wong 2020-03-30 1897 error = vfs_swap_file_range(fd1.file, fd2.file, &fsr); a133d952b44cef2 Dave Chinner 2013-08-12 1898 7f1b62457b58f9b Jann Horn 2016-07-20 1899 /* 4dafcd0f4f188da Darrick J. Wong 2020-03-30 1900 * The old implementation returned EFAULT if the swap range was not 4dafcd0f4f188da Darrick J. Wong 2020-03-30 1901 * the entirety of both files. 7f1b62457b58f9b Jann Horn 2016-07-20 1902 */ 4dafcd0f4f188da Darrick J. Wong 2020-03-30 1903 if (error == -EDOM) 4dafcd0f4f188da Darrick J. Wong 2020-03-30 1904 error = -EFAULT; 4dafcd0f4f188da Darrick J. Wong 2020-03-30 1905 fdput(fd1); 4dafcd0f4f188da Darrick J. Wong 2020-03-30 1906 dest_fdput: 4dafcd0f4f188da Darrick J. Wong 2020-03-30 1907 fdput(fd2); a133d952b44cef2 Dave Chinner 2013-08-12 1908 return error; a133d952b44cef2 Dave Chinner 2013-08-12 1909 } a133d952b44cef2 Dave Chinner 2013-08-12 1910 :::::: The code at line 1866 was first introduced by commit :::::: a133d952b44cef278d2da664d742d51ef95f4dd3 xfs: consolidate extent swap code :::::: TO: Dave Chinner <dchin...@redhat.com> :::::: CC: Ben Myers <b...@sgi.com> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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