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Re: [Qemu-devel] [PATCH v5 09/16] tests/test-blockjob: remove exit callb


From: Jeff Cody
Subject: Re: [Qemu-devel] [PATCH v5 09/16] tests/test-blockjob: remove exit callback
Date: Thu, 6 Sep 2018 12:58:41 -0400
User-agent: Mutt/1.5.24 (2015-08-30)

On Thu, Sep 06, 2018 at 09:02:18AM -0400, John Snow wrote:
> We remove the exit callback and the completed boolean along with it.
> We can simulate it just fine by waiting for the job to defer to the
> main loop, and then giving it one final kick to get the main loop
> portion to run.
> 
> Signed-off-by: John Snow <address@hidden>
> Reviewed-by: Max Reitz <address@hidden>

Reviewed-by: Jeff Cody <address@hidden>

> ---
>  tests/test-blockjob.c | 16 ++++++----------
>  1 file changed, 6 insertions(+), 10 deletions(-)
> 
> diff --git a/tests/test-blockjob.c b/tests/test-blockjob.c
> index 8e8b680416..de4c1c20aa 100644
> --- a/tests/test-blockjob.c
> +++ b/tests/test-blockjob.c
> @@ -160,15 +160,8 @@ typedef struct CancelJob {
>      BlockBackend *blk;
>      bool should_converge;
>      bool should_complete;
> -    bool completed;
>  } CancelJob;
>  
> -static void cancel_job_exit(Job *job)
> -{
> -    CancelJob *s = container_of(job, CancelJob, common.job);
> -    s->completed = true;
> -}
> -
>  static void cancel_job_complete(Job *job, Error **errp)
>  {
>      CancelJob *s = container_of(job, CancelJob, common.job);
> @@ -201,7 +194,6 @@ static const BlockJobDriver test_cancel_driver = {
>          .user_resume   = block_job_user_resume,
>          .drain         = block_job_drain,
>          .run           = cancel_job_run,
> -        .exit          = cancel_job_exit,
>          .complete      = cancel_job_complete,
>      },
>  };
> @@ -335,9 +327,11 @@ static void test_cancel_pending(void)
>  
>      job_complete(job, &error_abort);
>      job_enter(job);
> -    while (!s->completed) {
> +    while (!job->deferred_to_main_loop) {
>          aio_poll(qemu_get_aio_context(), true);
>      }
> +    assert(job->status == JOB_STATUS_READY);
> +    aio_poll(qemu_get_aio_context(), true);
>      assert(job->status == JOB_STATUS_PENDING);
>  
>      cancel_common(s);
> @@ -359,9 +353,11 @@ static void test_cancel_concluded(void)
>  
>      job_complete(job, &error_abort);
>      job_enter(job);
> -    while (!s->completed) {
> +    while (!job->deferred_to_main_loop) {
>          aio_poll(qemu_get_aio_context(), true);
>      }
> +    assert(job->status == JOB_STATUS_READY);
> +    aio_poll(qemu_get_aio_context(), true);
>      assert(job->status == JOB_STATUS_PENDING);
>  
>      job_finalize(job, &error_abort);
> -- 
> 2.14.4
> 



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