Re: [PATCHv2] qla2xxx: Correct compilation issues when CONFIG_MOUDLES=n.

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On Fri, 11 Sep 2009, Greg KH wrote:

> On Fri, Sep 11, 2009 at 05:38:08PM -0700, Andrew Vasquez wrote:
> > Randy Dunlap noted:
> > 
> >   when CONFIG_MODULES=n:
> > 
> > 	drivers/scsi/qla2xxx/qla_os.c:2685: error: dereferencing pointer to incomplete type
> > 
> >   in
> > 
> > 	kobject_uevent_env(&(&vha->hw->pdev->driver->driver)->owner->mkobj.kobj,
> > 		KOBJ_CHANGE, envp);
> > 
> > Trigger kobject event on the 'struct device' hanging off the pci_dev.
> 
> Um, why?  What are you trying to do here?  kobject change should not be
> for a device, or a "normal" kobject.
> 
> What do you expect userspace to do with this?  Where have you documented
> it?

The purpose was described here:

	http://article.gmane.org/gmane.linux.scsi/54155

Basically we'd like to instruct user-space to retrieve a blob of data
automatically. Original implementation used the kboject hanging off
the module which does not exist when CONFIG_MODULES=n.  It was
suggested that perhaps an alternative would be to use 'struct device'
kobj.  Any tips on how to trigger such a driver-specific event,
perhaps a dedicated kobject exported by the driver itself???

> confused,

anch'io...

Thanks, AV
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