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qemu: blockjob: Don't stop processing the finished job early

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Both failure to refresh and to dismiss the job are very unlikely but if
they happen there's not much we can do about the blockjob.

The concluded job handlers treat it as if the job failed if we don't
update the state to 'QEMU_BLOCKJOB_STATE_COMPLETED' which is probably
the safest thing to do here.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Cole Robinson <crobinso@redhat.com>
This commit is contained in:
Peter Krempa 2019-11-26 14:29:42 +01:00
parent 5b29c7dc27
commit 0cb3061943
1 changed files with 6 additions and 15 deletions
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17
src/qemu/qemu_blockjob.c
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@ -1270,8 +1270,6 @@ qemuBlockJobEventProcessConcluded(qemuBlockJobDataPtr job,
qemuMonitorJobInfoPtr *jobinfo = NULL;
size_t njobinfo = 0;
size_t i;
int rc = 0;
bool dismissed = false;
bool refreshed = false;
if (qemuDomainObjEnterMonitorAsync(driver, vm, asyncJob) < 0)
@ -1279,7 +1277,7 @@ qemuBlockJobEventProcessConcluded(qemuBlockJobDataPtr job,
/* we need to fetch the error state as the event does not propagate it */
if (job->newstate == QEMU_BLOCKJOB_STATE_CONCLUDED &&
(rc = qemuMonitorGetJobInfo(qemuDomainGetMonitor(vm), &jobinfo, &njobinfo)) == 0) {
qemuMonitorGetJobInfo(qemuDomainGetMonitor(vm), &jobinfo, &njobinfo) == 0) {
for (i = 0; i < njobinfo; i++) {
if (STRNEQ_NULLABLE(job->name, jobinfo[i]->id))
@ -1297,19 +1295,14 @@ qemuBlockJobEventProcessConcluded(qemuBlockJobDataPtr job,
break;
}
if (i == njobinfo) {
if (i == njobinfo)
VIR_WARN("failed to refresh job '%s'", job->name);
rc = -1;
}
}
/* dismiss job in qemu */
if (rc >= 0) {
if ((rc = qemuMonitorJobDismiss(qemuDomainGetMonitor(vm), job->name)) >= 0)
dismissed = true;
}
ignore_value(qemuMonitorJobDismiss(qemuDomainGetMonitor(vm), job->name));
if (qemuDomainObjExitMonitor(driver, vm) < 0 || rc < 0)
if (qemuDomainObjExitMonitor(driver, vm) < 0)
goto cleanup;
if (job->invalidData) {
@ -1340,10 +1333,8 @@ qemuBlockJobEventProcessConcluded(qemuBlockJobDataPtr job,
}
cleanup:
if (dismissed) {
qemuBlockJobUnregister(job, vm);
qemuDomainSaveConfig(vm);
}
for (i = 0; i < njobinfo; i++)
qemuMonitorJobInfoFree(jobinfo[i]);