Hi Filipe, [auto build test ERROR on v4.4-rc4] [also build test ERROR on next-20151208] [cannot apply to btrfs/next] url: https://github.com/0day-ci/linux/commits/fdmanana-kernel-org/Btrfs-fix-leaking-of-ordered-extents-after-direct-IO-write-error/20151209-182927 config: x86_64-randconfig-x008-12090811 (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): fs/btrfs/inode.c: In function 'btrfs_direct_IO': >> fs/btrfs/inode.c:8528:5: error: implicit declaration of function 'btrfs_endio_direct_write_update_ordered' [-Werror=implicit-function-declaration] btrfs_endio_direct_write_update_ordered(inode, ^ cc1: some warnings being treated as errors vim +/btrfs_endio_direct_write_update_ordered +8528 fs/btrfs/inode.c 8522 * without submitting corresponding bios for them, so 8523 * cleanup them up to avoid other tasks getting them 8524 * and waiting for them to complete forever. 8525 */ 8526 if (dio_data.unsubmitted_oe_range_start < 8527 dio_data.unsubmitted_oe_range_end) > 8528 btrfs_endio_direct_write_update_ordered(inode, 8529 dio_data.unsubmitted_oe_range_start, 8530 dio_data.unsubmitted_oe_range_end - 8531 dio_data.unsubmitted_oe_range_start, --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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