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libxl: use job functions in libxlDomainCoreDump

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Dumping a domain's core can take considerable time.  Use the
recently added job functions and unlock the virDomainObj while
dumping core.

Signed-off-by: Jim Fehlig <jfehlig@suse.com>
This commit is contained in:
Jim Fehlig 2014-02-06 16:54:39 -07:00
parent 341870b10d
commit f9e6b7024c
1 changed files with 27 additions and 11 deletions
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38
src/libxl/libxl_driver.c
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@ -2063,6 +2063,7 @@ libxlDomainCoreDump(virDomainPtr dom, const char *to, unsigned int flags)
libxlDomainObjPrivatePtr priv;
virDomainObjPtr vm;
virObjectEventPtr event = NULL;
bool remove_dom = false;
bool paused = false;
int ret = -1;
@ -2074,9 +2075,12 @@ libxlDomainCoreDump(virDomainPtr dom, const char *to, unsigned int flags)
if (virDomainCoreDumpEnsureACL(dom->conn, vm->def) < 0)
goto cleanup;
if (libxlDomainObjBeginJob(driver, vm, LIBXL_JOB_MODIFY) < 0)
goto cleanup;
if (!virDomainObjIsActive(vm)) {
virReportError(VIR_ERR_OPERATION_INVALID, "%s", _("Domain is not running"));
goto cleanup;
goto endjob;
}
priv = vm->privateData;
@ -2088,39 +2092,42 @@ libxlDomainCoreDump(virDomainPtr dom, const char *to, unsigned int flags)
_("Before dumping core, failed to suspend domain '%d'"
" with libxenlight"),
dom->id);
goto cleanup;
goto endjob;
}
virDomainObjSetState(vm, VIR_DOMAIN_PAUSED, VIR_DOMAIN_PAUSED_DUMP);
paused = true;
}
if (libxl_domain_core_dump(priv->ctx, dom->id, to, NULL) != 0) {
/* Unlock virDomainObj while dumping core */
virObjectUnlock(vm);
ret = libxl_domain_core_dump(priv->ctx, dom->id, to, NULL);
virObjectLock(vm);
if (ret != 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Failed to dump core of domain '%d' with libxenlight"),
dom->id);
goto cleanup_unpause;
ret = -1;
goto unpause;
}
if (flags & VIR_DUMP_CRASH) {
if (libxl_domain_destroy(priv->ctx, dom->id, NULL) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Failed to destroy domain '%d'"), dom->id);
goto cleanup_unpause;
goto unpause;
}
libxlVmCleanup(driver, vm, VIR_DOMAIN_SHUTOFF_CRASHED);
event = virDomainEventLifecycleNewFromObj(vm, VIR_DOMAIN_EVENT_STOPPED,
VIR_DOMAIN_EVENT_STOPPED_CRASHED);
if (!vm->persistent) {
virDomainObjListRemove(driver->domains, vm);
vm = NULL;
}
if (!vm->persistent)
remove_dom = true;
}
ret = 0;
cleanup_unpause:
if (vm && virDomainObjIsActive(vm) && paused) {
unpause:
if (virDomainObjIsActive(vm) && paused) {
if (libxl_domain_unpause(priv->ctx, dom->id) != 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("After dumping core, failed to resume domain '%d' with"
@ -2130,7 +2137,16 @@ cleanup_unpause:
VIR_DOMAIN_RUNNING_UNPAUSED);
}
}
endjob:
if (!libxlDomainObjEndJob(driver, vm))
vm = NULL;
cleanup:
if (remove_dom && vm) {
virDomainObjListRemove(driver->domains, vm);
vm = NULL;
}
if (vm)
virObjectUnlock(vm);
if (event)