On Fri, Oct 02, 2020 at 03:36:45AM +0900, Naohiro Aota wrote: > --- a/fs/btrfs/extent-tree.c > +++ b/fs/btrfs/extent-tree.c > @@ -3656,6 +3656,9 @@ struct find_free_extent_ctl { > > /* Allocation policy */ > enum btrfs_extent_allocation_policy policy; > + > + /* Allocation is called for tree-log */ > + bool for_treelog; There are already bool flags in find_free_extent_ctl, move it after orig_have_caching_bg.