Re: [Qemu-devel] [PATCH 2/4] s390: Add a mechanism to get the subchannel id.

[Cornelia Huck]

On Tue, 14 Aug 2012 10:52:09 +0200 (CEST)
Sebastian Ott <address@hidden> wrote:

> 
> On Tue, 7 Aug 2012, Cornelia Huck wrote:
> > +/**
> > + * ccw_device_get_schid - obtain a subchannel id
> > + * @cdev: device to obtain the id for
> > + * @schid: where to fill in the values
> > + */
> > +void ccw_device_get_schid(struct ccw_device *cdev, struct subchannel_id 
> > *schid)
> > +{
> > +   *schid = cdev->private->schid;
> > +}
> > +EXPORT_SYMBOL(ccw_device_get_schid);
> 
> After I gave this some thought I like your version of this function
> better. But please use the id of the parent subchannel instead of the
> copy in cdev->private (since this will be removed soon). I'll do a
> cleanup patch to convert the internal users of the old function to use
> the one above.

Good, will change that (I think we can rely on a ccw device always
having either a real subchannel or the orphanage pseudo subchannel as
parent).

Small taste question: EXPORT_SYMBOL vs EXPORT_SYMBOL_GPL?