XFS_REFCOUNT_ITEM_OVERHEAD  854 fs/xfs/libxfs/xfs_refcount.c 		cur->bc_private.a.priv.refc.nr_ops * XFS_REFCOUNT_ITEM_OVERHEAD;
XFS_REFCOUNT_ITEM_OVERHEAD   68 fs/xfs/libxfs/xfs_refcount.h 	return (log_res * 3 / 4) / XFS_REFCOUNT_ITEM_OVERHEAD;