XFS_STATS_ADD
XFS_STATS_ADD(mp, xs_freeb, len);
XFS_STATS_ADD(mp, xs_allocb, args->len);
XFS_STATS_ADD(mp, xs_xstrat_bytes, XFS_FSB_TO_B(mp, bma.length));
XFS_STATS_ADD(ip->i_mount, xs_write_bytes, ret);
XFS_STATS_ADD(mp, xs_write_bytes, ret);
XFS_STATS_ADD(mp, xs_read_bytes, ret);
XFS_STATS_ADD(mp, xs_read_bytes, ret);
XFS_STATS_ADD(ip->i_mount, xs_write_bytes, size);
XFS_STATS_ADD(ip->i_mount, xs_write_bytes, ret);
XFS_STATS_ADD(mp, xs_icluster_flushinode, clcount);
XFS_STATS_ADD(log->l_mp, xs_log_blocks, BTOBB(count));
XFS_STATS_ADD(mp, xs_gc_bytes, chunk->len);