diff options
| -rw-r--r-- | block/vhdx.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/block/vhdx.c b/block/vhdx.c index 72042e9082..1e7e03ebed 100644 --- a/block/vhdx.c +++ b/block/vhdx.c @@ -857,14 +857,8 @@ static void vhdx_calc_bat_entries(BDRVVHDXState *s) { uint32_t data_blocks_cnt, bitmap_blocks_cnt; - data_blocks_cnt = s->virtual_disk_size >> s->block_size_bits; - if (s->virtual_disk_size - (data_blocks_cnt << s->block_size_bits)) { - data_blocks_cnt++; - } - bitmap_blocks_cnt = data_blocks_cnt >> s->chunk_ratio_bits; - if (data_blocks_cnt - (bitmap_blocks_cnt << s->chunk_ratio_bits)) { - bitmap_blocks_cnt++; - } + data_blocks_cnt = DIV_ROUND_UP(s->virtual_disk_size, s->block_size); + bitmap_blocks_cnt = DIV_ROUND_UP(data_blocks_cnt, s->chunk_ratio); if (s->parent_entries) { s->bat_entries = bitmap_blocks_cnt * (s->chunk_ratio + 1); |