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test-blockjob: Acquire AioContext around job_cancel_sync()

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All callers in QEMU proper hold the AioContext lock when calling
job_finish_sync(). test-blockjob should do the same when it calls the
function indirectly through job_cancel_sync().

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
This commit is contained in:
Kevin Wolf 2018-08-17 17:29:08 +02:00
parent f62c172959
commit 30c070a547
2 changed files with 12 additions and 0 deletions
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6
include/qemu/job.h
View file

@ -524,6 +524,8 @@ 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);
@ -541,6 +543,8 @@ 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);
@ -566,6 +570,8 @@ void job_dismiss(Job **job, Error **errp);
*
* 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);

6
tests/test-blockjob.c
View file

@ -223,6 +223,10 @@ 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) {
@ -232,6 +236,8 @@ 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)