On Mon, Apr 19, 2021 at 04:41:02PM +0900, Johannes Thumshirn wrote: > --- a/fs/btrfs/zoned.h > +++ b/fs/btrfs/zoned.h > @@ -9,6 +9,8 @@ > #include "disk-io.h" > #include "block-group.h" > > +#define DEFAULT_RECLAIM_THRESH 75
This is not a .c local define so it needs a prefix and a comment what the value means so something like /* * Block groups filled more than this value (percents) will be scheduled * for background reclaim. */ #define BTRFS_DEFAULT_RECLAIM_THRESH 75