[libvirt] [PATCH 4/6 v3] virsh: Adding blkiotune command to virsh tool

[Eric Blake]

On 02/21/2011 10:33 PM, Gui Jianfeng wrote:
> Adding blkiotune command to virsh tool
> 
> Signed-off-by: Gui Jianfeng <guijianfeng at cn.fujitsu.com>
> ---
>  tools/virsh.c |  127 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  1 files changed, 127 insertions(+), 0 deletions(-)
> 
> +static int
> +cmdBlkiotune(vshControl * ctl, const vshCmd * cmd)
> +{
> +    virDomainPtr dom;
> +    int weight;
> +    int nparams = 0;
> +    unsigned int i = 0;
> +    virBlkioParameterPtr params = NULL, temp = NULL;
> +    int ret = FALSE;
> +    int found;
> +
> +    if (!vshConnectionUsability(ctl, ctl->conn))
> +        return FALSE;
> +
> +    if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
> +        return FALSE;
> +
> +    weight = vshCommandOptInt(cmd, "weight", &found);

Oh my - more merge resolution (and the compiler didn't catch that we'd
reworked vshCommandOptInt in d03f199).

> +    if (found) {
> +        nparams++;
> +        if (weight < 0) {
> +            virDomainFree(dom);
> +            vshError(ctl, _("Invalid value of %d for I/O weight"), weight);
> +            return FALSE;

Mem leak of dom.

> +            if (weight) {
> +                temp->value.ui = (unsigned int)weight;

Unnecessary cast.

> @@ -10324,6 +10450,7 @@ static const vshCmdDef domManagementCmds[] = {
>      {"managedsave", cmdManagedSave, opts_managedsave, info_managedsave},
>      {"managedsave-remove", cmdManagedSaveRemove, opts_managedsaveremove, info_managedsaveremove},
>      {"maxvcpus", cmdMaxvcpus, opts_maxvcpus, info_maxvcpus},
> +    {"blkiotune", cmdBlkiotune, opts_blkiotune, info_blkiotune},

Sorted order.

I like documentation closer to the changes, so I squashed 6/6 into this one.

-- 
Eric Blake   eblake at redhat.com    +1-801-349-2682
Libvirt virtualization library http://libvirt.org

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