Re: [Qemu-devel] [PATCH v2 6/6] tests/block-job-txn: Don't start block job before adding to txn

[Fam Zheng <famz@redhat.com>]

On Fri, 04/07 14:05, John Snow wrote:
> 
> 
> On 04/07/2017 09:28 AM, Stefan Hajnoczi wrote:
> > On Fri, Apr 07, 2017 at 02:54:14PM +0800, Fam Zheng wrote:
> >> Previously, before test_block_job_start returns, the job can already
> >> complete, as a result, the transactional state of other jobs added to
> >> the same txn later cannot be handled correctly.
> >>
> >> Move the block_job_start() calls to callers after
> >> block_job_txn_add_job() calls.
> >>
> >> Signed-off-by: Fam Zheng <famz@redhat.com>
> >> ---
> >>  tests/test-blockjob-txn.c | 6 +++++-
> >>  1 file changed, 5 insertions(+), 1 deletion(-)
> > 
> > CCing John Snow because he looked at block jobs completing during txn
> > setup recently.
> > 
> > Stefan
> > 
> 
> This matches the changes we made to qmp_transaction, but I forgot to (or
> didn't take care to)  change the qtest as it didn't cause a regression
> at the time.
> 
> I wonder if I should make it a runtime error to add a job to a
> transaction which has already "started" to make sure that this interface
> is not misused, as this test highlights that there were still some
> remaining "bad" uses of the interface.
> 
> Regardless...
> 
> Thanks for the CC. ACK

So, shall we merge this for 2.9?

Fam