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Use virDomainObjGetDefs in lxcDomainGetBlkioParameters

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This commit is contained in:
Ján Tomko 2016-05-30 13:19:36 +02:00
parent f62e4f2091
commit e74bbe5caf
1 changed files with 29 additions and 35 deletions
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64
src/lxc/lxc_driver.c
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@ -2777,13 +2777,12 @@ lxcDomainGetBlkioParameters(virDomainPtr dom,
int *nparams,
unsigned int flags)
{
virLXCDriverPtr driver = dom->conn->privateData;
size_t i, j;
virDomainObjPtr vm = NULL;
virDomainDefPtr def = NULL;
virDomainDefPtr persistentDef = NULL;
unsigned int val;
int ret = -1;
virCapsPtr caps = NULL;
virLXCDomainObjPrivatePtr priv;
virCheckFlags(VIR_DOMAIN_AFFECT_LIVE |
@ -2803,9 +2802,6 @@ lxcDomainGetBlkioParameters(virDomainPtr dom,
if (virDomainGetBlkioParametersEnsureACL(dom->conn, vm->def) < 0)
goto cleanup;
if (!(caps = virLXCDriverGetCapabilities(driver, false)))
goto cleanup;
if ((*nparams) == 0) {
/* Current number of blkio parameters supported by cgroups */
*nparams = LXC_NB_BLKIO_PARAM;
@ -2813,11 +2809,10 @@ lxcDomainGetBlkioParameters(virDomainPtr dom,
goto cleanup;
}
if (virDomainLiveConfigHelperMethod(caps, driver->xmlopt, vm, &flags,
&persistentDef) < 0)
if (virDomainObjGetDefs(vm, flags, &def, &persistentDef) < 0)
goto cleanup;
if (flags & VIR_DOMAIN_AFFECT_LIVE) {
if (def) {
if (!virCgroupHasController(priv->cgroup, VIR_CGROUP_CONTROLLER_BLKIO)) {
virReportError(VIR_ERR_OPERATION_INVALID, "%s",
_("blkio cgroup isn't mounted"));
@ -2838,20 +2833,20 @@ lxcDomainGetBlkioParameters(virDomainPtr dom,
break;
case 1: /* blkiotune.device_weight */
if (vm->def->blkio.ndevices > 0) {
if (def->blkio.ndevices > 0) {
virBuffer buf = VIR_BUFFER_INITIALIZER;
bool comma = false;
for (j = 0; j < vm->def->blkio.ndevices; j++) {
if (!vm->def->blkio.devices[j].weight)
for (j = 0; j < def->blkio.ndevices; j++) {
if (!def->blkio.devices[j].weight)
continue;
if (comma)
virBufferAddChar(&buf, ',');
else
comma = true;
virBufferAsprintf(&buf, "%s,%u",
vm->def->blkio.devices[j].path,
vm->def->blkio.devices[j].weight);
def->blkio.devices[j].path,
def->blkio.devices[j].weight);
}
if (virBufferCheckError(&buf) < 0)
goto cleanup;
@ -2865,20 +2860,20 @@ lxcDomainGetBlkioParameters(virDomainPtr dom,
break;
case 2: /* blkiotune.device_read_iops */
if (vm->def->blkio.ndevices > 0) {
if (def->blkio.ndevices > 0) {
virBuffer buf = VIR_BUFFER_INITIALIZER;
bool comma = false;
for (j = 0; j < vm->def->blkio.ndevices; j++) {
if (!vm->def->blkio.devices[j].riops)
for (j = 0; j < def->blkio.ndevices; j++) {
if (!def->blkio.devices[j].riops)
continue;
if (comma)
virBufferAddChar(&buf, ',');
else
comma = true;
virBufferAsprintf(&buf, "%s,%u",
vm->def->blkio.devices[j].path,
vm->def->blkio.devices[j].riops);
def->blkio.devices[j].path,
def->blkio.devices[j].riops);
}
if (virBufferCheckError(&buf) < 0)
goto cleanup;
@ -2892,20 +2887,20 @@ lxcDomainGetBlkioParameters(virDomainPtr dom,
break;
case 3: /* blkiotune.device_write_iops */
if (vm->def->blkio.ndevices > 0) {
if (def->blkio.ndevices > 0) {
virBuffer buf = VIR_BUFFER_INITIALIZER;
bool comma = false;
for (j = 0; j < vm->def->blkio.ndevices; j++) {
if (!vm->def->blkio.devices[j].wiops)
for (j = 0; j < def->blkio.ndevices; j++) {
if (!def->blkio.devices[j].wiops)
continue;
if (comma)
virBufferAddChar(&buf, ',');
else
comma = true;
virBufferAsprintf(&buf, "%s,%u",
vm->def->blkio.devices[j].path,
vm->def->blkio.devices[j].wiops);
def->blkio.devices[j].path,
def->blkio.devices[j].wiops);
}
if (virBufferCheckError(&buf) < 0)
goto cleanup;
@ -2919,20 +2914,20 @@ lxcDomainGetBlkioParameters(virDomainPtr dom,
break;
case 4: /* blkiotune.device_read_bps */
if (vm->def->blkio.ndevices > 0) {
if (def->blkio.ndevices > 0) {
virBuffer buf = VIR_BUFFER_INITIALIZER;
bool comma = false;
for (j = 0; j < vm->def->blkio.ndevices; j++) {
if (!vm->def->blkio.devices[j].rbps)
for (j = 0; j < def->blkio.ndevices; j++) {
if (!def->blkio.devices[j].rbps)
continue;
if (comma)
virBufferAddChar(&buf, ',');
else
comma = true;
virBufferAsprintf(&buf, "%s,%llu",
vm->def->blkio.devices[j].path,
vm->def->blkio.devices[j].rbps);
def->blkio.devices[j].path,
def->blkio.devices[j].rbps);
}
if (virBufferCheckError(&buf) < 0)
goto cleanup;
@ -2946,20 +2941,20 @@ lxcDomainGetBlkioParameters(virDomainPtr dom,
break;
case 5: /* blkiotune.device_write_bps */
if (vm->def->blkio.ndevices > 0) {
if (def->blkio.ndevices > 0) {
virBuffer buf = VIR_BUFFER_INITIALIZER;
bool comma = false;
for (j = 0; j < vm->def->blkio.ndevices; j++) {
if (!vm->def->blkio.devices[j].wbps)
for (j = 0; j < def->blkio.ndevices; j++) {
if (!def->blkio.devices[j].wbps)
continue;
if (comma)
virBufferAddChar(&buf, ',');
else
comma = true;
virBufferAsprintf(&buf, "%s,%llu",
vm->def->blkio.devices[j].path,
vm->def->blkio.devices[j].wbps);
def->blkio.devices[j].path,
def->blkio.devices[j].wbps);
}
if (virBufferCheckError(&buf) < 0)
goto cleanup;
@ -2973,7 +2968,7 @@ lxcDomainGetBlkioParameters(virDomainPtr dom,
break;
}
}
} else if (flags & VIR_DOMAIN_AFFECT_CONFIG) {
} else if (persistentDef) {
for (i = 0; i < *nparams && i < LXC_NB_BLKIO_PARAM; i++) {
virTypedParameterPtr param = &params[i];
val = 0;
@ -3158,7 +3153,6 @@ lxcDomainGetBlkioParameters(virDomainPtr dom,
cleanup:
virDomainObjEndAPI(&vm);
virObjectUnref(caps);
return ret;
}