virtio/blk: sync I/O on reset
Ensure that all requests are complete when resetting a virtqueue, by
draining the AIO queue after stopping the submission thread.
Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
diff --git a/virtio/blk.c b/virtio/blk.c
index 6e7a1ee..50db6f5 100644
--- a/virtio/blk.c
+++ b/virtio/blk.c
@@ -248,6 +248,8 @@
close(bdev->io_efd);
pthread_cancel(bdev->io_thread);
pthread_join(bdev->io_thread, NULL);
+
+ disk_image__wait(bdev->disk);
}
static int notify_vq(struct kvm *kvm, void *dev, u32 vq)
