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ch_driver: Don't lock driver when looking up domains

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There is no need to lock whole driver when accessing
virDomainObjList. Those APIs were specifically tailored to be
thread safe (when we were dropping QEMU driver lock). Don't
resurrect old history.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Tim Wiederhake <twiederh@redhat.com>
This commit is contained in:
Michal Privoznik 2022-02-10 15:50:34 +01:00
parent 31ef66f12e
commit b1e7807711
1 changed files with 0 additions and 9 deletions
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9
src/ch/ch_driver.c
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@ -363,11 +363,9 @@ chDomainUndefine(virDomainPtr dom)
static int chDomainIsActive(virDomainPtr dom) static int chDomainIsActive(virDomainPtr dom)
{ {
virCHDriver *driver = dom->conn->privateData;
virDomainObj *vm; virDomainObj *vm;
int ret = -1; int ret = -1;
chDriverLock(driver);
if (!(vm = virCHDomainObjFromDomain(dom))) if (!(vm = virCHDomainObjFromDomain(dom)))
goto cleanup; goto cleanup;
@ -378,7 +376,6 @@ static int chDomainIsActive(virDomainPtr dom)
cleanup: cleanup:
virDomainObjEndAPI(&vm); virDomainObjEndAPI(&vm);
chDriverUnlock(driver);
return ret; return ret;
} }
@ -636,9 +633,7 @@ static virDomainPtr chDomainLookupByID(virConnectPtr conn,
virDomainObj *vm; virDomainObj *vm;
virDomainPtr dom = NULL; virDomainPtr dom = NULL;
chDriverLock(driver);
vm = virDomainObjListFindByID(driver->domains, id); vm = virDomainObjListFindByID(driver->domains, id);
chDriverUnlock(driver);
if (!vm) { if (!vm) {
virReportError(VIR_ERR_NO_DOMAIN, virReportError(VIR_ERR_NO_DOMAIN,
@ -663,9 +658,7 @@ static virDomainPtr chDomainLookupByName(virConnectPtr conn,
virDomainObj *vm; virDomainObj *vm;
virDomainPtr dom = NULL; virDomainPtr dom = NULL;
chDriverLock(driver);
vm = virDomainObjListFindByName(driver->domains, name); vm = virDomainObjListFindByName(driver->domains, name);
chDriverUnlock(driver);
if (!vm) { if (!vm) {
virReportError(VIR_ERR_NO_DOMAIN, virReportError(VIR_ERR_NO_DOMAIN,
@ -690,9 +683,7 @@ static virDomainPtr chDomainLookupByUUID(virConnectPtr conn,
virDomainObj *vm; virDomainObj *vm;
virDomainPtr dom = NULL; virDomainPtr dom = NULL;
chDriverLock(driver);
vm = virDomainObjListFindByUUID(driver->domains, uuid); vm = virDomainObjListFindByUUID(driver->domains, uuid);
chDriverUnlock(driver);
if (!vm) { if (!vm) {
char uuidstr[VIR_UUID_STRING_BUFLEN]; char uuidstr[VIR_UUID_STRING_BUFLEN];