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-rw-r--r--drivers/scsi/virtio_scsi.c15
-rw-r--r--drivers/virtio/virtio.c5
-rw-r--r--include/linux/virtio.h1
3 files changed, 17 insertions, 4 deletions
diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c
index ae3bef7c523..c7030fbee79 100644
--- a/drivers/scsi/virtio_scsi.c
+++ b/drivers/scsi/virtio_scsi.c
@@ -571,6 +571,13 @@ static struct virtio_scsi_target_state *virtscsi_alloc_tgt(
return tgt;
}
+static void virtscsi_scan(struct virtio_device *vdev)
+{
+ struct Scsi_Host *shost = (struct Scsi_Host *)vdev->priv;
+
+ scsi_scan_host(shost);
+}
+
static void virtscsi_remove_vqs(struct virtio_device *vdev)
{
struct Scsi_Host *sh = virtio_scsi_host(vdev);
@@ -677,9 +684,10 @@ static int __devinit virtscsi_probe(struct virtio_device *vdev)
err = scsi_add_host(shost, &vdev->dev);
if (err)
goto scsi_add_host_failed;
-
- scsi_scan_host(shost);
-
+ /*
+ * scsi_scan_host() happens in virtscsi_scan() via virtio_driver->scan()
+ * after VIRTIO_CONFIG_S_DRIVER_OK has been set..
+ */
return 0;
scsi_add_host_failed:
@@ -735,6 +743,7 @@ static struct virtio_driver virtio_scsi_driver = {
.driver.owner = THIS_MODULE,
.id_table = id_table,
.probe = virtscsi_probe,
+ .scan = virtscsi_scan,
#ifdef CONFIG_PM
.freeze = virtscsi_freeze,
.restore = virtscsi_restore,
diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c
index f3558070e37..c3b3f7f0d9d 100644
--- a/drivers/virtio/virtio.c
+++ b/drivers/virtio/virtio.c
@@ -141,8 +141,11 @@ static int virtio_dev_probe(struct device *_d)
err = drv->probe(dev);
if (err)
add_status(dev, VIRTIO_CONFIG_S_FAILED);
- else
+ else {
add_status(dev, VIRTIO_CONFIG_S_DRIVER_OK);
+ if (drv->scan)
+ drv->scan(dev);
+ }
return err;
}
diff --git a/include/linux/virtio.h b/include/linux/virtio.h
index 8efd28ae559..a1ba8bbd9fb 100644
--- a/include/linux/virtio.h
+++ b/include/linux/virtio.h
@@ -92,6 +92,7 @@ struct virtio_driver {
const unsigned int *feature_table;
unsigned int feature_table_size;
int (*probe)(struct virtio_device *dev);
+ void (*scan)(struct virtio_device *dev);
void (*remove)(struct virtio_device *dev);
void (*config_changed)(struct virtio_device *dev);
#ifdef CONFIG_PM