agi->agi_unlinked[bucket_index] = cpu_to_be32(agino);
        offset = offsetof(xfs_agi_t, agi_unlinked) +
                (sizeof(xfs_agino_t) * bucket_index);
+       xfs_trans_buf_set_type(tp, agibp, XFS_BLFT_AGI_BUF);
        xfs_trans_log_buf(tp, agibp, offset,
                          (offset + sizeof(xfs_agino_t) - 1));
        return 0;
                agi->agi_unlinked[bucket_index] = cpu_to_be32(next_agino);
                offset = offsetof(xfs_agi_t, agi_unlinked) +
                        (sizeof(xfs_agino_t) * bucket_index);
+               xfs_trans_buf_set_type(tp, agibp, XFS_BLFT_AGI_BUF);
                xfs_trans_log_buf(tp, agibp, offset,
                                  (offset + sizeof(xfs_agino_t) - 1));
        } else {