[PATCH RFC v4 3/5] virtio: pack config changed flags

["Michael S. Tsirkin" <mst@redhat.com>]

In anticipation of adding more, use bit-fields instead of bool.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
 include/linux/virtio.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/linux/virtio.h b/include/linux/virtio.h
index 64cb4b04be7a..be0beb16b487 100644
--- a/include/linux/virtio.h
+++ b/include/linux/virtio.h
@@ -149,9 +149,9 @@ struct virtio_admin_cmd {
 struct virtio_device {
 	int index;
 	bool failed;
-	bool config_core_enabled;
-	bool config_driver_disabled;
-	bool config_change_pending;
+	u8 config_core_enabled:1;
+	u8 config_driver_disabled:1;
+	u8 config_change_pending:1;
 	spinlock_t config_lock;
 	spinlock_t vqs_list_lock;
 	struct device dev;
-- 
MST