xfs_ialloc_next_rec
error = xfs_ialloc_next_rec(tcur, &trec, &doneleft, 1);
error = xfs_ialloc_next_rec(cur, &rec, &doneright, 0);
error = xfs_ialloc_next_rec(tcur, &trec,
error = xfs_ialloc_next_rec(cur, &rec,