linux-kernel - Re: [PATCH v9 6/7] PCI: document SR-IOV sysfs entries

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Date:	Tue, 17 Feb 2009 19:49:10 -0800
From:	Greg KH <greg@...ah.com>
To:	Yu Zhao <yu.zhao@...el.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v9 6/7] PCI: document SR-IOV sysfs entries

On Tue, Feb 17, 2009 at 08:50:21PM +0800, Yu Zhao wrote:
> Hi Greg,
> 
> The `struct device' is preferred over the `struct kobject' in all cases
> that create subdirectory in sysfs, is this true?

If you have a parent directory being controlled by a struct device, yes.

> I'd like to create a subdirectory under PCI device sysfs directory and
> put some symbol links into that directory (only symbol links). Should I
> use `device' or `kobject'? Currently I use `device' and get two extra
> file/directory (uevent and power) which look like useless for my case
> because this subdirectory doesn't reflect a real device.

Neither, just use an attribute group, no new struct device should be
needed at all.

thanks,

greg k-h
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