@@ -3054,8 +3054,17 @@ static int coroutine_fn bdrv_aligned_preadv(BlockDriverState *bs,
max_nb_sectors = ROUND_UP(MAX(0, total_sectors - sector_num),
align >> BDRV_SECTOR_BITS);
if (max_nb_sectors > 0) {
+ QEMUIOVector local_qiov;
+
+ qemu_iovec_init(&local_qiov, qiov->niov);
+ qemu_iovec_concat(&local_qiov, qiov, 0,
+ max_nb_sectors * BDRV_SECTOR_SIZE);
+
ret = drv->bdrv_co_readv(bs, sector_num,
- MIN(nb_sectors, max_nb_sectors), qiov);
+ MIN(nb_sectors, max_nb_sectors),
+ &local_qiov);
+
+ qemu_iovec_destroy(&local_qiov);
} else {
ret = 0;
}