[libvirt] [PATCH 08/17] conf: give each hostdevdef a parent pointer

[Eric Blake]

On 02/28/2012 01:14 PM, Laine Stump wrote:
> The parent can be any type of device. It defaults to type=none, and a
> NULL pointer. The intent is that if a hostdevdef is contained in the
> def for a higher level device (e.g. virDomainNetDef), hostdev->parent
> will point to the higher level device, and type will be set to that
> type of device. This way, during attach and detach of the device,
> parent can be checked, and appropriate callouts made to do higher
> level device initialization (e.g. setting MAC address).
> 
> Also, although these hostdevs with parents will be added to a domain's
> hostdevs list, they will be treated slightly differently when
> traversing the list, e.g. virDomainHostdefDefFree for a hostdev that
> has a parent doesn't need to be called (and will be a NOP); it will
> simply be removed from the list (since the parent device object is in
> its own type-specific list, and will be freed from there).
> ---
> V2: unchanged from V1
> 
>  src/conf/domain_conf.c |   12 ++++++++++--
>  src/conf/domain_conf.h |    1 +
>  2 files changed, 11 insertions(+), 2 deletions(-)

ACK.

-- 
Eric Blake   eblake at redhat.com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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