On Thu, 04/21 10:04, Fam Zheng wrote: > This ensures the bdrv_drained_begin() in block layer is effective and > fixes launchpad bug #1570134.
Forgot to add to the subject, but this patch is for 2.6. Fam > > Signed-off-by: Fam Zheng <f...@redhat.com> > --- > hw/virtio/virtio.c | 7 ++++--- > 1 file changed, 4 insertions(+), 3 deletions(-) > > diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c > index f745c4a..002c2c6 100644 > --- a/hw/virtio/virtio.c > +++ b/hw/virtio/virtio.c > @@ -1829,10 +1829,11 @@ void > virtio_queue_set_host_notifier_fd_handler(VirtQueue *vq, bool assign, > bool set_handler) > { > if (assign && set_handler) { > - event_notifier_set_handler(&vq->host_notifier, > - virtio_queue_host_notifier_read); > + aio_set_event_notifier(qemu_get_aio_context(), &vq->host_notifier, > + true, virtio_queue_host_notifier_read); > } else { > - event_notifier_set_handler(&vq->host_notifier, NULL); > + aio_set_event_notifier(qemu_get_aio_context(), &vq->host_notifier, > + true, NULL); > } > if (!assign) { > /* Test and clear notifier before after disabling event, > -- > 2.8.0 > >