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mirror: stop cancelling in-flight requests on non-force cancel in READY

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If mirror is READY than cancel operation is not discarding the whole
result of the operation, but instead it's a documented way get a
point-in-time snapshot of source disk.

So, we should not cancel any requests if mirror is READ and
force=false. Let's fix that case.

Note, that bug that we have before this commit is not critical, as the
only .bdrv_cancel_in_flight implementation is nbd_cancel_in_flight()
and it cancels only requests waiting for reconnection, so it should be
rare case.

Fixes: 521ff8b779
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20210421075858.40197-1-vsementsov@virtuozzo.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Vladimir Sementsov-Ogievskiy 2021-04-21 10:58:58 +03:00 • committed by Max Reitz
parent 78632a3d16
commit 9c785cd714
6 changed files with 9 additions and 7 deletions
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2
job.c
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@ -716,7 +716,7 @@ static int job_finalize_single(Job *job)
static void job_cancel_async(Job *job, bool force)
{
if (job->driver->cancel) {
job->driver->cancel(job);
job->driver->cancel(job, force);
}
if (job->user_paused) {
/* Do not call job_enter here, the caller will handle it. */