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openvz: wire up domainUpdateDeviceFlags

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so we can update file system quota
This commit is contained in:
Guido Günther 2012-05-25 19:49:32 +02:00
parent 1d82540adf
commit f5d61d397e
1 changed files with 106 additions and 0 deletions
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106
src/openvz/openvz_driver.c
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@ -1948,6 +1948,111 @@ cleanup:
}
static int
openvzUpdateDevice(virDomainDefPtr vmdef,
virDomainDeviceDefPtr dev,
bool persist)
{
virDomainFSDefPtr fs, cur;
int pos;
if (dev->type == VIR_DOMAIN_DEVICE_FS) {
fs = dev->data.fs;
pos = virDomainFSIndexByName(vmdef, fs->dst);
if (pos < 0) {
openvzError(VIR_ERR_INVALID_ARG,
_("target %s doesn't exist."), fs->dst);
return -1;
}
cur = vmdef->fss[pos];
/* We only allow updating the quota */
if (!STREQ(cur->src, fs->src)
|| cur->type != fs->type
|| cur->accessmode != fs->accessmode
|| cur->wrpolicy != fs->wrpolicy
|| cur->readonly != fs->readonly) {
openvzError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Can only modify disk quota"));
return -1;
}
if (openvzSetDiskQuota(vmdef, fs, persist) < 0) {
return -1;
}
cur->space_hard_limit = fs->space_hard_limit;
cur->space_soft_limit = fs->space_soft_limit;
} else {
openvzError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Can't modify device type '%s'"),
virDomainDeviceTypeToString(dev->type));
return -1;
}
return 0;
}
static int
openvzDomainUpdateDeviceFlags(virDomainPtr dom, const char *xml,
unsigned int flags)
{
int ret = -1;
int veid;
struct openvz_driver *driver = dom->conn->privateData;
virDomainDeviceDefPtr dev = NULL;
virDomainObjPtr vm = NULL;
virDomainDefPtr vmdef = NULL;
bool persist = false;
virCheckFlags(VIR_DOMAIN_DEVICE_MODIFY_LIVE |
VIR_DOMAIN_DEVICE_MODIFY_CONFIG, -1);
openvzDriverLock(driver);
vm = virDomainFindByUUID(&driver->domains, dom->uuid);
vmdef = vm->def;
if (!vm) {
openvzError(VIR_ERR_NO_DOMAIN, "%s",
_("no domain with matching uuid"));
goto cleanup;
}
if (virStrToLong_i(vmdef->name, NULL, 10, &veid) < 0) {
openvzError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Could not convert domain name to VEID"));
goto cleanup;
}
if (virDomainLiveConfigHelperMethod(driver->caps,
vm,
&flags,
&vmdef) < 0)
goto cleanup;
dev = virDomainDeviceDefParse(driver->caps, vmdef, xml,
VIR_DOMAIN_XML_INACTIVE);
if (!dev)
goto cleanup;
if (flags & VIR_DOMAIN_AFFECT_CONFIG)
persist = true;
if (openvzUpdateDevice(vmdef, dev, persist) < 0)
goto cleanup;
ret = 0;
cleanup:
openvzDriverUnlock(driver);
virDomainDeviceDefFree(dev);
if (vm)
virDomainObjUnlock(vm);
return ret;
}
static virDriver openvzDriver = {
.no = VIR_DRV_OPENVZ,
.name = "OPENVZ",
@ -2002,6 +2107,7 @@ static virDriver openvzDriver = {
.domainIsPersistent = openvzDomainIsPersistent, /* 0.7.3 */
.domainIsUpdated = openvzDomainIsUpdated, /* 0.8.6 */
.isAlive = openvzIsAlive, /* 0.9.8 */
.domainUpdateDeviceFlags = openvzDomainUpdateDeviceFlags, /* 0.9.13 */
};
int openvzRegister(void) {