volume_id: clear probing result before probing and do not probe a second time, if...

volume_id: clear probing result before probing and do not probe a second time, if not needed

On Thu, Nov 20, 2008 at 14:17, Karel Zak <kzak@redhat.com> wrote:
>  I see the patch (volume_id_probe_filesystem()) and a few things come
>  to mind:
>
>  - shouldn't be the relevant parts (label, uuid, version, ...) of
>    the "struct volume_id" zeroized when you found a signature and
>    before you call the next probing function?
>
>  - it seems as overkill to use two for()s and probe two times for all
>    filesystems. What about to store the first result and re-use it?
>
>  - .. or at least never use the second for() when the fist for() found
>    nothing ;-)