xfs_dquot_tree
struct radix_tree_root *tree = xfs_dquot_tree(qi, cursor->dqtype);
struct radix_tree_root *tree = xfs_dquot_tree(qi, type);
struct radix_tree_root *tree = xfs_dquot_tree(qi, type);
radix_tree_delete(xfs_dquot_tree(qi, xfs_dquot_type(dqp)), dqp->q_id);
radix_tree_delete(xfs_dquot_tree(qi, xfs_dquot_type(dqp)), dqp->q_id);
struct radix_tree_root *tree = xfs_dquot_tree(qi, type);