Hi Brian,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on xfs-linux/for-next]
[also build test WARNING on v5.9-rc7]
[cannot apply to next-20201002]
[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/0day-ci/linux/commits/Brian-Foster/iomap-avoid-soft-lockup-warnings-on-large-ioends/20201002-233417
base:   https://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git for-next
config: arm64-randconfig-r014-20201002 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project bcd05599d0e53977a963799d6ee4f6e0bc21331b)
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
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://github.com/0day-ci/linux/commit/bfa33e76564c1e273d89f17ec39c1c5fd305c763
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Brian-Foster/iomap-avoid-soft-lockup-warnings-on-large-ioends/20201002-233417
        git checkout bfa33e76564c1e273d89f17ec39c1c5fd305c763
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> fs/xfs/xfs_aops.c:250:22: warning: signed shift result (0x100000000) requires 34 bits to represent, but 'int' only has 32 bits [-Wshift-overflow]
                   (ioend->io_size >= XFS_LARGE_IOEND);
                                      ^~~~~~~~~~~~~~~
   fs/xfs/xfs_aops.c:38:33: note: expanded from macro 'XFS_LARGE_IOEND'
   #define XFS_LARGE_IOEND (262144 << PAGE_SHIFT)
                            ~~~~~~ ^  ~~~~~~~~~~
   1 warning generated.

vim +/int +250 fs/xfs/xfs_aops.c

   244	
   245	static inline bool xfs_ioend_needs_workqueue(struct iomap_ioend *ioend)
   246	{
   247		return ioend->io_private ||
   248			ioend->io_type == IOMAP_UNWRITTEN ||
   249			(ioend->io_flags & IOMAP_F_SHARED) ||
 > 250			(ioend->io_size >= XFS_LARGE_IOEND);
   251	}
   252	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org