linux-kernel - Re: [RFC] New kobject/kset/ktype documentation and example code

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Message-ID: <20071129060458.GE26327@kroah.com>
Date:	Wed, 28 Nov 2007 22:04:58 -0800
From:	Greg KH <greg@...ah.com>
To:	Cornelia Huck <cornelia.huck@...ibm.com>
Cc:	linux-kernel@...r.kernel.org, Kay Sievers <kay.sievers@...y.org>,
	Alan Stern <stern@...land.harvard.edu>,
	Jonathan Corbet <corbet@....net>,
	Randy Dunlap <randy.dunlap@...cle.com>
Subject: Re: [RFC] New kobject/kset/ktype documentation and example code

On Wed, Nov 28, 2007 at 12:45:45PM +0100, Cornelia Huck wrote:
> On Tue, 27 Nov 2007 15:02:52 -0800,
> Greg KH <greg@...ah.com> wrote:
> >  - A kset can provide a set of default attributes that all kobjects that
> >    belong to it automatically inherit and have created whenever a kobject
> >    is registered belonging to the kset.
> 
> Hm, the default attributes are provided by the ktype?

Yes, now fixed.

> > The uevent function will be called when the uevent is about to be sent to
> > userspace to allow more environment variables to be added to the uevent.
> 
> It may be helpful to mention which uevents are by default created by
> the kobject core (KOBJ_ADD, KOBJ_DEL, KOBJ_MOVE).

Is this really needed?

> >  - refcount is the kobject's reference count; it is initialized by kobject_init()
> 
> There is no field called "refcount"; the embedded struct kref kref is
> initialized by kobject_init().

now removed, thanks.

> > Often, much of the initialization of a kobject is handled by the layer that
> > manages the containing kset.  See the sample/kobject/kset-example.c for how
> > this is usually handled.
> 
> Do we also want to mention kobject_rename() and kobject_move(), or are
> those functions so esoteric that most people don't want to know about
> them?

They can be found in the kerneldoc api reference if they are needed :)

thanks,

greg k-h
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