[libvirt] [PATCH v2 3/5] storage: conf: Don't set any default <mode> in the XML

[Ján Tomko]

On Tue, May 05, 2015 at 12:44:01PM -0400, Cole Robinson wrote:
> The XML parser sets a default <mode> if none is explicitly passed in.
> This is then used at pool/vol creation time, and unconditionally reported
> in the XML.
> 
> The problem with this approach is that it's impossible for other code
> to determine if the user explicitly requested a storage mode. There
> are some cases where we want to make this distinction, but we currently
> can't.
> 
> Handle <mode> parsing like we handle <owner>/<group>: if no value is
> passed in, set it to -1, and adjust the internal consumers to handle
> it.

> --- a/tests/storagevolxml2xmlin/vol-file.xml
> +++ b/tests/storagevolxml2xmlin/vol-file.xml
> @@ -6,8 +6,8 @@
>    <target>
>      <path>/var/lib/libvirt/images/sparse.img</path>
>      <permissions>
> -      <mode>0</mode>
> -      <owner>0744</owner>
> +      <mode>00</mode>

00 is ugly.

> +      <owner>744</owner>

Why are these changes needed? The patch does not touch the owner
formatting.

Jan

>        <group>0</group>
>        <label>virt_image_t</label>
>      </permissions>
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