On Fri, May 17, 2013 at 07:59:31PM +0800, Osier Yang wrote:
> ---
> src/qemu/qemu_cgroup.c | 90 ++++++++++++++++++++++++++++----------------------
> 1 file changed, 50 insertions(+), 40 deletions(-)
>
> diff --git a/src/qemu/qemu_cgroup.c b/src/qemu/qemu_cgroup.c
> index 9784f31..0c4792e 100644
> --- a/src/qemu/qemu_cgroup.c
> +++ b/src/qemu/qemu_cgroup.c
> @@ -407,6 +407,53 @@ cleanup:
> return ret;
> }
>
> +static int
> +qemuSetupBlkioCgroup(virDomainObjPtr vm)
> +{
> + qemuDomainObjPrivatePtr priv = vm->privateData;
> + int rc = -1;
> + int i;
> +
> + if (!virCgroupHasController(priv->cgroup,
> + VIR_CGROUP_CONTROLLER_BLKIO)) {
> + if (vm->def->blkio.weight || vm->def->blkio.ndevices) {
> + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
> + _("Block I/O tuning is not available on this host"));
> + return -1;
> + } else {
> + return 0;
> + }
> + }
> +
> + if (vm->def->blkio.weight != 0) {
> + rc = virCgroupSetBlkioWeight(priv->cgroup, vm->def->blkio.weight);
> + if (rc != 0) {
> + virReportSystemError(-rc,
> + _("Unable to set io weight for domain %s"),
> + vm->def->name);
> + return -1;
> + }
> + }
> +
> + if (vm->def->blkio.ndevices) {
> + for (i = 0; i < vm->def->blkio.ndevices; i++) {
> + virBlkioDeviceWeightPtr dw = &vm->def->blkio.devices[i];
> + if (!dw->weight)
> + continue;
> + rc = virCgroupSetBlkioDeviceWeight(priv->cgroup, dw->path,
> + dw->weight);
> + if (rc != 0) {
> + virReportSystemError(-rc,
> + _("Unable to set io device weight "
> + "for domain %s"),
> + vm->def->name);
> + return -1;
> + }
> + }
> + }
> +
> + return 0;
> +}
>
Use 2 blank lines here
> int qemuInitCgroup(virQEMUDriverPtr driver,
> virDomainObjPtr vm,
> @@ -517,7 +564,6 @@ cleanup:
> return rc;
> }
>
> -
Keep 2 blank lines between functions
> int qemuSetupCgroup(virQEMUDriverPtr driver,
> virDomainObjPtr vm,
> virBitmapPtr nodemask)
> @@ -609,7 +655,7 @@ int qemuSetupCgroup(virQEMUDriverPtr driver,
>
> if (vm->def->tpm &&
> (qemuSetupTPMCgroup(vm->def,
> - vm->def->tpm,
> + vm->def->tpm,
> vm) < 0))
> goto cleanup;
>
> @@ -619,44 +665,8 @@ int qemuSetupCgroup(virQEMUDriverPtr driver,
> }
> }
>
> - if (vm->def->blkio.weight != 0) {
> - if (virCgroupHasController(priv->cgroup, VIR_CGROUP_CONTROLLER_BLKIO)) {
> - rc = virCgroupSetBlkioWeight(priv->cgroup, vm->def->blkio.weight);
> - if (rc != 0) {
> - virReportSystemError(-rc,
> - _("Unable to set io weight for domain %s"),
> - vm->def->name);
> - goto cleanup;
> - }
> - } else {
> - virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
> - _("Block I/O tuning is not available on this host"));
> - goto cleanup;
> - }
> - }
> -
> - if (vm->def->blkio.ndevices) {
> - if (virCgroupHasController(priv->cgroup, VIR_CGROUP_CONTROLLER_BLKIO)) {
> - for (i = 0; i < vm->def->blkio.ndevices; i++) {
> - virBlkioDeviceWeightPtr dw = &vm->def->blkio.devices[i];
> - if (!dw->weight)
> - continue;
> - rc = virCgroupSetBlkioDeviceWeight(priv->cgroup, dw->path,
> - dw->weight);
> - if (rc != 0) {
> - virReportSystemError(-rc,
> - _("Unable to set io device weight "
> - "for domain %s"),
> - vm->def->name);
> - goto cleanup;
> - }
> - }
> - } else {
> - virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
> - _("Block I/O tuning is not available on this host"));
> - goto cleanup;
> - }
> - }
> + if (qemuSetupBlkioCgroup(vm) < 0)
> + goto cleanup;
>
> if (virCgroupHasController(priv->cgroup, VIR_CGROUP_CONTROLLER_MEMORY)) {
> unsigned long long hard_limit = vm->def->mem.hard_limit;
ACK with whitespace tweak
Daniel
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