return (uint64_t)le32_to_cpu(s->bat_bitmap[idx]) * s->off_multiplier;
}
+static uint32_t bat_entry_off(uint32_t idx)
+{
+ return sizeof(ParallelsHeader) + sizeof(uint32_t) * idx;
+}
+
static int64_t seek_to_sector(BDRVParallelsState *s, int64_t sector_num)
{
uint32_t index, offset;
}
s->bat_bitmap[idx] = cpu_to_le32(pos / s->off_multiplier);
- ret = bdrv_pwrite(bs->file,
- sizeof(ParallelsHeader) + idx * sizeof(s->bat_bitmap[idx]),
- s->bat_bitmap + idx, sizeof(s->bat_bitmap[idx]));
+ ret = bdrv_pwrite(bs->file, bat_entry_off(idx), s->bat_bitmap + idx,
+ sizeof(s->bat_bitmap[idx]));
if (ret < 0) {
s->bat_bitmap[idx] = 0;
return ret;
}
bat_entries = DIV_ROUND_UP(total_size, cl_size);
- bat_sectors = DIV_ROUND_UP(bat_entries * sizeof(uint32_t) +
- sizeof(ParallelsHeader), cl_size);
+ bat_sectors = DIV_ROUND_UP(bat_entry_off(bat_entries), cl_size);
bat_sectors = (bat_sectors * cl_size) >> BDRV_SECTOR_BITS;
memset(&header, 0, sizeof(header));
goto fail;
}
- size = sizeof(ParallelsHeader) + sizeof(uint32_t) * s->bat_size;
+ size = bat_entry_off(s->bat_size);
s->header_size = ROUND_UP(size, bdrv_opt_mem_align(bs->file));
s->header = qemu_try_blockalign(bs->file, s->header_size);
if (s->header == NULL) {