Hi Nikolay, [auto build test ERROR on v4.9-rc8] [cannot apply to btrfs/next kdave/for-next next-20170614] [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/Nikolay-Borisov/btrfs-Use-btrfs_space_info_used-instead-of-opencoding-it/20170615-084940 config: x86_64-randconfig-x012-201724 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): fs/btrfs/extent-tree.c: In function 'btrfs_calc_reclaim_metadata_size': >> fs/btrfs/extent-tree.c:4918:9: error: implicit declaration of function >> 'btrfs_space_info_used' [-Werror=implicit-function-declaration] used = btrfs_space_info_used(space_info, true); ^~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/btrfs_space_info_used +4918 fs/btrfs/extent-tree.c 4912 4913 to_reclaim = min_t(u64, num_online_cpus() * SZ_1M, SZ_16M); 4914 if (can_overcommit(root, space_info, to_reclaim, 4915 BTRFS_RESERVE_FLUSH_ALL)) 4916 return 0; 4917 > 4918 used = btrfs_space_info_used(space_info, true); 4919 4920 if (can_overcommit(root, space_info, SZ_1M, BTRFS_RESERVE_FLUSH_ALL)) 4921 expected = div_factor_fine(space_info->total_bytes, 95); --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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