static int
xrep_refc_push_rmaps_at(
	struct xrep_refc	*rr,
	struct xfarray		*rmap_bag,
	xfs_agblock_t		bno,
	struct xrep_refc_rmap	*rrm,
	bool			*have,
	uint64_t		*stack_sz)
static int
xrep_refc_push_rmaps_at(
	struct xrep_refc	*rr,
	struct rcbag		*rcstack,
	xfs_agblock_t		bno,
	struct xfs_rmap_irec	*rmap,
	bool			*have)