job: Add job_dismiss()

This moves block_job_dismiss() to the Job layer.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>

blockdev.c

@@ -3915,14 +3915,16 @@ void qmp_block_job_finalize(const char *id, Error **errp)
 void qmp_block_job_dismiss(const char *id, Error **errp)
 {
     AioContext *aio_context;
-    BlockJob *job = find_block_job(id, &aio_context, errp);
+    BlockJob *bjob = find_block_job(id, &aio_context, errp);
+    Job *job;
 
-    if (!job) {
+    if (!bjob) {
         return;
     }
 
-    trace_qmp_block_job_dismiss(job);
-    block_job_dismiss(&job, errp);
+    trace_qmp_block_job_dismiss(bjob);
+    job = &bjob->job;
+    job_dismiss(&job, errp);
     aio_context_release(aio_context);
 }
 

blockjob.c

@@ -242,19 +242,6 @@ int64_t block_job_ratelimit_get_delay(BlockJob *job, uint64_t n)
     return ratelimit_calculate_delay(&job->limit, n);
 }
 
-void block_job_dismiss(BlockJob **jobptr, Error **errp)
-{
-    BlockJob *job = *jobptr;
-    /* similarly to _complete, this is QMP-interface only. */
-    assert(job->job.id);
-    if (job_apply_verb(&job->job, JOB_VERB_DISMISS, errp)) {
-        return;
-    }
-
-    job_do_dismiss(&job->job);
-    *jobptr = NULL;
-}
-
 void block_job_progress_update(BlockJob *job, uint64_t done)
 {
     job->offset += done;

include/block/blockjob.h

@@ -140,15 +140,6 @@ void block_job_remove_all_bdrv(BlockJob *job);
  */
 void block_job_set_speed(BlockJob *job, int64_t speed, Error **errp);
 
-/**
- * block_job_dismiss:
- * @job: The job to be dismissed.
- * @errp: Error object.
- *
- * Remove a concluded job from the query list.
- */
-void block_job_dismiss(BlockJob **job, Error **errp);
-
 /**
  * block_job_progress_update:
  * @job: The job that has made progress

include/qemu/job.h

@@ -487,6 +487,12 @@ int job_complete_sync(Job *job, Error **errp);
  */
 void job_finalize(Job *job, Error **errp);
 
+/**
+ * Remove the concluded @job from the query list and resets the passed pointer
+ * to %NULL. Returns an error if the job is not actually concluded.
+ */
+void job_dismiss(Job **job, Error **errp);
+
 typedef void JobDeferToMainLoopFn(Job *job, void *opaque);
 
 /**
@@ -515,6 +521,5 @@ int job_finish_sync(Job *job, void (*finish)(Job *, Error **errp), Error **errp)
 
 /* TODO To be removed from the public interface */
 void job_state_transition(Job *job, JobStatus s1);
-void job_do_dismiss(Job *job);
 
 #endif

job.c

@@ -568,7 +568,7 @@ void job_user_resume(Job *job, Error **errp)
     job_resume(job);
 }
 
-void job_do_dismiss(Job *job)
+static void job_do_dismiss(Job *job)
 {
     assert(job);
     job->busy = false;
@@ -581,6 +581,19 @@ void job_do_dismiss(Job *job)
     job_unref(job);
 }
 
+void job_dismiss(Job **jobptr, Error **errp)
+{
+    Job *job = *jobptr;
+    /* similarly to _complete, this is QMP-interface only. */
+    assert(job->id);
+    if (job_apply_verb(job, JOB_VERB_DISMISS, errp)) {
+        return;
+    }
+
+    job_do_dismiss(job);
+    *jobptr = NULL;
+}
+
 void job_early_fail(Job *job)
 {
     assert(job->status == JOB_STATUS_CREATED);

tests/test-blockjob.c

@@ -233,8 +233,8 @@ static void cancel_common(CancelJob *s)
 
     job_cancel_sync(&job->job);
     if (sts != JOB_STATUS_CREATED && sts != JOB_STATUS_CONCLUDED) {
-        BlockJob *dummy = job;
-        block_job_dismiss(&dummy, &error_abort);
+        Job *dummy = &job->job;
+        job_dismiss(&dummy, &error_abort);
     }
     assert(job->job.status == JOB_STATUS_NULL);
     job_unref(&job->job);