On Mon, Jun 24, 2019 at 02:54:49AM +0800, kbuild test robot wrote:
Hi Ross,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on linus/master] [also build test ERROR on v5.2-rc6 next-20190621] [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/Ross-Zwisler/mm-add-filemap_fdatawa... config: x86_64-rhel-7.6 (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=x86_64
If you fix the issue, kindly add following tag Reported-by: kbuild test robot lkp@intel.com
All errors (new ones prefixed by >>):
ERROR: "jbd2_journal_inode_ranged_wait" [fs/ext4/ext4.ko] undefined! ERROR: "jbd2_journal_inode_ranged_write" [fs/ext4/ext4.ko] undefined!
Yep, this is caused by the lack of EXPORT_SYMBOL() calls for these two new jbd2 functions. Ted also pointed this out and fixed this up when he was committing:
https://patchwork.kernel.org/patch/11007139/#22717091
Thank you for the report!