On Mon, Mar 25, 2024 at 09:01:50PM -0700, Darrick J. Wong wrote: > From: Darrick J. Wong <djwong@xxxxxxxxxx> > > Create a new in-memory btree type so that we can store refcount bag info > in a much more memory-efficient format. There's probably a reason to not just shared this directly with the kernel? Otherwise looks good: Reviewed-by: Christoph Hellwig <hch@xxxxxx>