orig_reserved 3415 fs/btrfs/qgroup.c u64 orig_reserved; orig_reserved 3433 fs/btrfs/qgroup.c orig_reserved = reserved->bytes_changed; orig_reserved 3438 fs/btrfs/qgroup.c to_reserve = reserved->bytes_changed - orig_reserved; orig_reserved 3457 fs/btrfs/qgroup.c orig_reserved, BTRFS_QGROUP_RSV_DATA);