[Qemu-block] [PATCH 03/14] test-blockjob: Acquire AioContext around job_finish_sync()

[Kevin Wolf]

All callers in QEMU proper hold the AioContext lock when calling
job_finish_sync(). test-blockjob should do the same.

Signed-off-by: Kevin Wolf <address@hidden>
---
 include/qemu/job.h    | 6 ++++++
 tests/test-blockjob.c | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/include/qemu/job.h b/include/qemu/job.h
index 0dae5b8481..8ac48dbd28 100644
--- a/include/qemu/job.h
+++ b/include/qemu/job.h
@@ -520,6 +520,8 @@ void job_user_cancel(Job *job, bool force, Error **errp);
  *
  * Returns the return value from the job if the job actually completed
  * during the call, or -ECANCELED if it was canceled.
+ *
+ * Callers must hold the AioContext lock of job->aio_context.
  */
 int job_cancel_sync(Job *job);
 
@@ -537,6 +539,8 @@ void job_cancel_sync_all(void);
  * function).
  *
  * Returns the return value from the job.
+ *
+ * Callers must hold the AioContext lock of job->aio_context.
  */
 int job_complete_sync(Job *job, Error **errp);
 
@@ -579,6 +583,8 @@ void job_defer_to_main_loop(Job *job, JobDeferToMainLoopFn 
*fn, void *opaque);
  *
  * Returns 0 if the job is successfully completed, -ECANCELED if the job was
  * cancelled before completing, and -errno in other error cases.
+ *
+ * Callers must hold the AioContext lock of job->aio_context.
  */
 int job_finish_sync(Job *job, void (*finish)(Job *, Error **errp), Error 
**errp);
 
diff --git a/tests/test-blockjob.c b/tests/test-blockjob.c
index cb42f06e61..8c2babbe35 100644
--- a/tests/test-blockjob.c
+++ b/tests/test-blockjob.c
@@ -230,6 +230,10 @@ static void cancel_common(CancelJob *s)
     BlockJob *job = &s->common;
     BlockBackend *blk = s->blk;
     JobStatus sts = job->job.status;
+    AioContext *ctx;
+
+    ctx = job->job.aio_context;
+    aio_context_acquire(ctx);
 
     job_cancel_sync(&job->job);
     if (sts != JOB_STATUS_CREATED && sts != JOB_STATUS_CONCLUDED) {
@@ -239,6 +243,8 @@ static void cancel_common(CancelJob *s)
     assert(job->job.status == JOB_STATUS_NULL);
     job_unref(&job->job);
     destroy_blk(blk);
+
+    aio_context_release(ctx);
 }
 
 static void test_cancel_created(void)
-- 
2.13.6