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-rw-r--r--hw/scsi/virtio-scsi-dataplane.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/hw/scsi/virtio-scsi-dataplane.c b/hw/scsi/virtio-scsi-dataplane.c
index 1c33322ba6..912e5005d8 100644
--- a/hw/scsi/virtio-scsi-dataplane.c
+++ b/hw/scsi/virtio-scsi-dataplane.c
@@ -107,9 +107,10 @@ static int virtio_scsi_vring_init(VirtIOSCSI *s, VirtQueue *vq, int n,
return 0;
}
-/* assumes s->ctx held */
-static void virtio_scsi_clear_aio(VirtIOSCSI *s)
+/* Context: BH in IOThread */
+static void virtio_scsi_dataplane_stop_bh(void *opaque)
{
+ VirtIOSCSI *s = opaque;
VirtIOSCSICommon *vs = VIRTIO_SCSI_COMMON(s);
int i;
@@ -171,7 +172,7 @@ int virtio_scsi_dataplane_start(VirtIODevice *vdev)
return 0;
fail_vrings:
- virtio_scsi_clear_aio(s);
+ aio_wait_bh_oneshot(s->ctx, virtio_scsi_dataplane_stop_bh, s);
aio_context_release(s->ctx);
for (i = 0; i < vs->conf.num_queues + 2; i++) {
virtio_bus_set_host_notifier(VIRTIO_BUS(qbus), i, false);
@@ -207,7 +208,7 @@ void virtio_scsi_dataplane_stop(VirtIODevice *vdev)
s->dataplane_stopping = true;
aio_context_acquire(s->ctx);
- virtio_scsi_clear_aio(s);
+ aio_wait_bh_oneshot(s->ctx, virtio_scsi_dataplane_stop_bh, s);
aio_context_release(s->ctx);
blk_drain_all(); /* ensure there are no in-flight requests */