blockjob: Add block_job_driver()

The backup block job directly accesses the driver field in BlockJob. Add
a wrapper for getting it.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/blockjob.c b/blockjob.c
index 04416f11cd..36c5fdeb2f 100644
--- a/blockjob.c
+++ b/blockjob.c
@@ -359,6 +359,11 @@ static bool block_job_started(BlockJob *job)
     return job->co;
 }
 
+const BlockJobDriver *block_job_driver(BlockJob *job)
+{
+    return job->driver;
+}
+
 /**
  * All jobs must allow a pause point before entering their job proper. This
  * ensures that jobs can be paused prior to being started, then resumed later.