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qemu: Prevent two threshold events when it was registered with index

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Remember whether the user passed an explicit index when registering the
event so that we can avoid the top level event when it isn't needed.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Peter Krempa 2021-07-01 16:03:57 +02:00
parent 2ddff1cc40
commit a3edda6b9e
2 changed files with 6 additions and 1 deletions
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4
src/qemu/qemu_driver.c
View File

@ -19623,6 +19623,10 @@ qemuDomainSetBlockThreshold(virDomainPtr dom,
if (qemuDomainObjExitMonitor(driver, vm) < 0 || rc < 0)
goto endjob;
/* we need to remember whether the threshold was registered with an explicit
* index to fire the correct event */
src->thresholdEventWithIndex = !!strchr(dev, '[');
ret = 0;
endjob:

3
src/qemu/qemu_process.c
View File

@ -1487,7 +1487,8 @@ qemuProcessHandleBlockThreshold(qemuMonitor *mon G_GNUC_UNUSED,
if (virStorageSourceIsLocalStorage(src))
path = src->path;
if (src == disk->src) {
if (src == disk->src &&
!src->thresholdEventWithIndex) {
g_autofree char *dev = qemuDomainDiskBackingStoreGetName(disk, 0);
eventDevice = virDomainEventBlockThresholdNewFromObj(vm, dev, path,