AIO based handler is more appropriate here because it will then cooperate with bdrv_drained_begin/end. It is needed by the coming revert patch.
Signed-off-by: Fam Zheng <[email protected]> --- hw/block/virtio-blk.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c index 284e646..b1f56c3 100644 --- a/hw/block/virtio-blk.c +++ b/hw/block/virtio-blk.c @@ -888,7 +888,7 @@ static void virtio_blk_device_realize(DeviceState *dev, Error **errp) s->rq = NULL; s->sector_mask = (s->conf.conf.logical_block_size / BDRV_SECTOR_SIZE) - 1; - s->vq = virtio_add_queue(vdev, 128, virtio_blk_handle_output); + s->vq = virtio_add_queue_aio(vdev, 128, virtio_blk_handle_output); virtio_blk_data_plane_create(vdev, conf, &s->dataplane, &err); if (err != NULL) { error_propagate(errp, err); -- 2.8.3
