Re: [Qemu-devel] [PATCH v4 1/9] qom: API to get instance_size of a type

[David Gibson]

On Fri, Jun 10, 2016 at 09:38:24AM +0200, Igor Mammedov wrote:
> On Fri, 10 Jun 2016 14:04:41 +1000
> David Gibson <address@hidden> wrote:
> 
> > On Fri, Jun 10, 2016 at 06:29:00AM +0530, Bharata B Rao wrote:
> > > Add an API object_type_get_size(const char *typename) that returns the
> > > instance_size of the give typename.
> I'd rename it to
>   object_type_get_instance_size()
> so it'd apparent what size is returned from name.

I'll make that change in my tree.

> 
> > > 
> > > Signed-off-by: Bharata B Rao <address@hidden>  
> > 
> > Reviewed-by: David Gibson <address@hidden>
> > 
> > This looks sensible to me, it would be nice to have an ack or two from
> > the qemu community at large.
> > 
> > > ---
> > >  include/qom/object.h | 8 +++++++-
> > >  qom/object.c         | 8 ++++++++
> > >  2 files changed, 15 insertions(+), 1 deletion(-)
> > > 
> > > diff --git a/include/qom/object.h b/include/qom/object.h
> > > index 21bb5ff..460ddfc 100644
> > > --- a/include/qom/object.h
> > > +++ b/include/qom/object.h
> > > @@ -1608,5 +1608,11 @@ int object_child_foreach_recursive(Object *obj,
> > >   */
> > >  Object *container_get(Object *root, const char *path);
> > >  
> > > -
> > > +/**
> > > + * object_type_get_size:
> > > + * @typename: Name of the Type whose instance_size is required
> > > + *
> > > + * Returns the instance_size of the given @typename.
> > > + */
> > > +size_t object_type_get_size(const char *typename);
> > >  #endif
> > > diff --git a/qom/object.c b/qom/object.c
> > > index 3bc8a00..0e75877 100644
> > > --- a/qom/object.c
> > > +++ b/qom/object.c
> > > @@ -202,6 +202,14 @@ static size_t type_object_get_size(TypeImpl *ti)
> > >      return 0;
> > >  }
> > >  
> > > +size_t object_type_get_size(const char *typename)
> > > +{
> > > +    TypeImpl *type = type_get_by_name(typename);
> > > +
> > > +    g_assert(type != NULL);
> > > +    return type_object_get_size(type);
> > > +}
> > > +
> > >  static bool type_is_ancestor(TypeImpl *type, TypeImpl *target_type)
> > >  {
> > >      assert(target_type);  
> > 
> 

-- 
David Gibson                    | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au  | minimalist, thank you.  NOT _the_ _other_
                                | _way_ _around_!
http://www.ozlabs.org/~dgibson

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