xfs_fsbulkstat_one_fmt
error = xfs_bulkstat_one(&breq, xfs_fsbulkstat_one_fmt);
error = xfs_bulkstat(&breq, xfs_fsbulkstat_one_fmt);
int xfs_fsbulkstat_one_fmt(struct xfs_ibulk *breq,
bs_one_func = xfs_fsbulkstat_one_fmt;