[libvirt] [PATCH 3/3] openvz: wire up domainUpdateDeviceFlags
Michal Privoznik
mprivozn at redhat.com
Wed Jun 6 12:17:09 UTC 2012
On 03.06.2012 22:55, Guido Günther wrote:
> so we can update file system quota
> ---
> src/openvz/openvz_driver.c | 95 ++++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 95 insertions(+)
>
> diff --git a/src/openvz/openvz_driver.c b/src/openvz/openvz_driver.c
> index 02a0133..8a1fb9a 100644
> --- a/src/openvz/openvz_driver.c
> +++ b/src/openvz/openvz_driver.c
> @@ -1948,6 +1948,100 @@ cleanup:
> }
>
>
> +static int
> +openvzUpdateDevice(virDomainDefPtr vmdef,
> + virDomainDeviceDefPtr dev,
> + bool persist)
> +{
> + virDomainFSDefPtr fs;
> + 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;
> + }
> +
> + /* We only allow updating the quota */
so shouldn't we shout if user tries changing something else like
wrpolicy or something?
> + if (openvzSetDiskQuota(vmdef, dev->data.fs, persist) < 0) {
> + return -1;
> + }
> + vmdef->fss[pos]->space_hard_limit = fs->space_hard_limit;
> + vmdef->fss[pos]->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 +2096,7 @@ static virDriver openvzDriver = {
> .domainIsPersistent = openvzDomainIsPersistent, /* 0.7.3 */
> .domainIsUpdated = openvzDomainIsUpdated, /* 0.8.6 */
> .isAlive = openvzIsAlive, /* 0.9.8 */
> + .domainUpdateDeviceFlags = openvzDomainUpdateDeviceFlags, /* 0.9.14 */
> };
>
> int openvzRegister(void) {
Otherwise looking good.
Michal
More information about the libvir-list
mailing list