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Diffstat (limited to 'hw')
-rw-r--r--hw/block/virtio-blk.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c
index 0c5fd27..50bb0cb 100644
--- a/hw/block/virtio-blk.c
+++ b/hw/block/virtio-blk.c
@@ -588,13 +588,19 @@ void virtio_blk_handle_vq(VirtIOBlock *s, VirtQueue *vq)
blk_io_plug(s->blk);
- while ((req = virtio_blk_get_request(s, vq))) {
- if (virtio_blk_handle_request(req, &mrb)) {
- virtqueue_detach_element(req->vq, &req->elem, 0);
- virtio_blk_free_request(req);
- break;
+ do {
+ virtio_queue_set_notification(vq, 0);
+
+ while ((req = virtio_blk_get_request(s, vq))) {
+ if (virtio_blk_handle_request(req, &mrb)) {
+ virtqueue_detach_element(req->vq, &req->elem, 0);
+ virtio_blk_free_request(req);
+ break;
+ }
}
- }
+
+ virtio_queue_set_notification(vq, 1);
+ } while (!virtio_queue_empty(vq));
if (mrb.num_reqs) {
virtio_blk_submit_multireq(s->blk, &mrb);