[PATCH v2 5/7] qapi: add job-change

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Add a new-style command job-change, doing same thing as
block-job-change. The aim is finally deprecate block-job-* APIs and
move to job-* APIs.

We add a new command to qapi/block-core.json, not to
qapi/job.json to avoid resolving json file including loops for now.
This all would be a lot simple to refactor when we finally drop
deprecated block-job-* APIs.

@type argument of the new command immediately becomes deprecated.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@xxxxxxxxxxxxxx>
---
 job-qmp.c            | 14 ++++++++++++++
 qapi/block-core.json | 10 ++++++++++
 2 files changed, 24 insertions(+)

diff --git a/job-qmp.c b/job-qmp.c
index c764bd3801..248e68f554 100644
--- a/job-qmp.c
+++ b/job-qmp.c
@@ -139,6 +139,20 @@ void qmp_job_dismiss(const char *id, Error **errp)
     job_dismiss_locked(&job, errp);
 }
 
+void qmp_job_change(JobChangeOptions *opts, Error **errp)
+{
+    Job *job;
+
+    JOB_LOCK_GUARD();
+    job = find_job_locked(opts->id, errp);
+
+    if (!job) {
+        return;
+    }
+
+    job_change_locked(job, opts, errp);
+}
+
 /* Called with job_mutex held. */
 static JobInfo *job_query_single_locked(Job *job, Error **errp)
 {
diff --git a/qapi/block-core.json b/qapi/block-core.json
index 660c7f4a48..9087ce300c 100644
--- a/qapi/block-core.json
+++ b/qapi/block-core.json
@@ -3104,6 +3104,16 @@
 { 'command': 'block-job-change',
   'data': 'JobChangeOptions', 'boxed': true }
 
+##
+# @job-change:
+#
+# Change the block job's options.
+#
+# Since: 9.1
+##
+{ 'command': 'job-change',
+  'data': 'JobChangeOptions', 'boxed': true }
+
 ##
 # @BlockdevDiscardOptions:
 #
-- 
2.34.1



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