Change qmp_drive_backup() to create and start a transaction instead of
calling do_drive_backup directly.

Signed-off-by: Sergio Lopez <slp@redhat.com>
---
 blockdev.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/blockdev.c b/blockdev.c
index b32855f702..5e85fc042e 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -3676,14 +3676,13 @@ static BlockJob *do_backup_common(BackupCommon *backup,
     return job;
 }
 
-void qmp_drive_backup(DriveBackup *arg, Error **errp)
+void qmp_drive_backup(DriveBackup *backup, Error **errp)
 {
-
-    BlockJob *job;
-    job = do_drive_backup(arg, NULL, errp);
-    if (job) {
-        job_start(&job->job);
-    }
+    TransactionAction action = {
+        .type = TRANSACTION_ACTION_KIND_DRIVE_BACKUP,
+        .u.drive_backup.data = backup,
+    };
+    blockdev_do_action(&action, errp);
 }
 
 BlockDeviceInfoList *qmp_query_named_block_nodes(Error **errp)
-- 
2.23.0