sbi->s_bmap_count = (sbi->s_partition_size - sbi->s_reserved +
sbi->s_bmap_bits - 1) / sbi->s_bmap_bits;
size = sbi->s_bmap_count * sizeof(*bm);
sbi->s_bmap_count = (sbi->s_partition_size - sbi->s_reserved +
sbi->s_bmap_bits - 1) / sbi->s_bmap_bits;
size = sbi->s_bmap_count * sizeof(*bm);