[RFC,v9,16/27] virtio-blk: Kick data plane thread using event notifier set

Commit Message

Stefan Hajnoczi July 18, 2012, 3:07 p.m. UTC

---
 hw/virtio-blk.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Patch

diff --git a/hw/virtio-blk.c b/hw/virtio-blk.c
index 1616be5..d75c187 100644
--- a/hw/virtio-blk.c
+++ b/hw/virtio-blk.c
@@ -339,8 +339,7 @@  static void virtio_blk_handle_output(VirtIODevice *vdev, VirtQueue *vq)
     virtio_blk_set_status(vdev, VIRTIO_CONFIG_S_DRIVER_OK); /* start the thread */
 
     /* Now kick the thread */
-    uint64_t dummy = 1;
-    ssize_t unused __attribute__((unused)) = write(event_notifier_get_fd(virtio_queue_get_host_notifier(s->vq)), &dummy, sizeof dummy);
+    event_notifier_set(virtio_queue_get_host_notifier(s->vq));
 }
 
 /* coalesce internal state, copy to pci i/o region 0