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qemu: Relax locking in DomainHasManagedSaveImage and DomainMonitorCommand

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There is no need to hold qemu lock during the whole execution
of these two APIs.
This commit is contained in:
Michal Privoznik 2012-12-13 12:33:06 +01:00
parent fec9822eeb
commit 8c5d2bad12
1 changed files with 6 additions and 6 deletions
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12
src/qemu/qemu_driver.c
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@ -2507,7 +2507,6 @@ endjob:
cleanup:
if (vm)
virDomainObjUnlock(vm);
qemuDriverUnlock(driver);
return ret;
}
@ -6583,6 +6582,7 @@ qemuDomainModifyDeviceFlags(virDomainPtr dom, const char *xml,
qemuDriverLock(driver);
vm = virDomainFindByUUID(&driver->domains, dom->uuid);
qemuDriverUnlock(driver);
if (!vm) {
char uuidstr[VIR_UUID_STRING_BUFLEN];
virUUIDFormat(dom->uuid, uuidstr);
@ -12688,6 +12688,7 @@ static int qemuDomainMonitorCommand(virDomainPtr domain, const char *cmd,
qemuDriverLock(driver);
vm = virDomainFindByUUID(&driver->domains, domain->uuid);
qemuDriverUnlock(driver);
if (!vm) {
char uuidstr[VIR_UUID_STRING_BUFLEN];
virUUIDFormat(domain->uuid, uuidstr);
@ -12700,9 +12701,9 @@ static int qemuDomainMonitorCommand(virDomainPtr domain, const char *cmd,
virReportError(VIR_ERR_OPERATION_INVALID,
"%s", _("domain is not running"));
goto cleanup;
}
}
if (qemuDomainObjBeginJobWithDriver(driver, vm, QEMU_JOB_MODIFY) < 0)
if (qemuDomainObjBeginJob(driver, vm, QEMU_JOB_MODIFY) < 0)
goto cleanup;
if (!virDomainObjIsActive(vm)) {
@ -12717,9 +12718,9 @@ static int qemuDomainMonitorCommand(virDomainPtr domain, const char *cmd,
hmp = !!(flags & VIR_DOMAIN_QEMU_MONITOR_COMMAND_HMP);
qemuDomainObjEnterMonitorWithDriver(driver, vm);
qemuDomainObjEnterMonitor(driver, vm);
ret = qemuMonitorArbitraryCommand(priv->mon, cmd, result, hmp);
qemuDomainObjExitMonitorWithDriver(driver, vm);
qemuDomainObjExitMonitor(driver, vm);
endjob:
if (qemuDomainObjEndJob(driver, vm) == 0) {
@ -12729,7 +12730,6 @@ endjob:
cleanup:
if (vm)
virDomainObjUnlock(vm);
qemuDriverUnlock(driver);
return ret;
}