tree: https://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git btrfs-blkcg-updates head: 128ddd26f41a8fc4efdca041f134113adeee9a34 commit: 128ddd26f41a8fc4efdca041f134113adeee9a34 [8/8] Btrfs: extent_write_locked_range() should attach inode->i_wb config: x86_64-lkp (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: git checkout 128ddd26f41a8fc4efdca041f134113adeee9a34 # 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@xxxxxxxxx> All errors (new ones prefixed by >>): ERROR: "blkcg_root_css" [fs/btrfs/btrfs.ko] undefined! >> ERROR: "__inode_attach_wb" [fs/btrfs/btrfs.ko] undefined! >> ERROR: "wbc_attach_and_unlock_inode" [fs/btrfs/btrfs.ko] undefined! >> ERROR: "wbc_detach_inode" [fs/btrfs/btrfs.ko] undefined! --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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