virtio-blk-dataplane: Improve error reporting

Return an Error so that it can be propagated later.

Tested-by: Stefan Hajnoczi <stefanha@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
[AF: Rebased]
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Andreas Färber 2013-06-07 16:18:50 +02:00 committed by Paolo Bonzini
parent 06a1307379
commit 3ffeeef735
3 changed files with 32 additions and 18 deletions

View file

@ -657,6 +657,7 @@ static void virtio_blk_migration_state_changed(Notifier *notifier, void *data)
VirtIOBlock *s = container_of(notifier, VirtIOBlock,
migration_state_notifier);
MigrationState *mig = data;
Error *err = NULL;
if (migration_in_setup(mig)) {
if (!s->dataplane) {
@ -671,7 +672,11 @@ static void virtio_blk_migration_state_changed(Notifier *notifier, void *data)
}
bdrv_drain_all(); /* complete in-flight non-dataplane requests */
virtio_blk_data_plane_create(VIRTIO_DEVICE(s), &s->blk,
&s->dataplane);
&s->dataplane, &err);
if (err != NULL) {
error_report("%s", error_get_pretty(err));
error_free(err);
}
}
}
#endif /* CONFIG_VIRTIO_BLK_DATA_PLANE */
@ -681,6 +686,9 @@ static int virtio_blk_device_init(VirtIODevice *vdev)
DeviceState *qdev = DEVICE(vdev);
VirtIOBlock *s = VIRTIO_BLK(vdev);
VirtIOBlkConf *blk = &(s->blk);
#ifdef CONFIG_VIRTIO_BLK_DATA_PLANE
Error *err = NULL;
#endif
static int virtio_blk_id;
if (!blk->conf.bs) {
@ -708,7 +716,10 @@ static int virtio_blk_device_init(VirtIODevice *vdev)
s->vq = virtio_add_queue(vdev, 128, virtio_blk_handle_output);
#ifdef CONFIG_VIRTIO_BLK_DATA_PLANE
if (!virtio_blk_data_plane_create(vdev, blk, &s->dataplane)) {
virtio_blk_data_plane_create(vdev, blk, &s->dataplane, &err);
if (err != NULL) {
error_report("%s", error_get_pretty(err));
error_free(err);
virtio_cleanup(vdev);
return -1;
}