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

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Message-ID: <20090217170135.GA2520@yzhao-otc.sh.intel.com>
Date:	Wed, 18 Feb 2009 01:01:35 +0800
From:	Yu Zhao <yu.zhao@...el.com>
To:	Greg KH <greg@...ah.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v9 6/7] PCI: document SR-IOV sysfs entries

On Wed, Feb 18, 2009 at 02:21:16PM +0800, Greg KH wrote:
> On Tue, Feb 17, 2009 at 10:43:03PM +0800, Yu Zhao wrote:
> > On Wed, Feb 18, 2009 at 11:49:10AM +0800, Greg KH wrote:
> > > On Tue, Feb 17, 2009 at 08:50:21PM +0800, Yu Zhao wrote:
> > > > 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.
> > 
> > Yes, I was thinking using an attribute group, however, it looks like we
> > can't put symbol link into a group. Maybe I'm wrong, shed some light,
> > please?
> 
> Why would you want a symbolic link in an attribute group?

Sorry I didn't make myself clear. I'd like to create a subdirectory (its
parent is controlled by a `struct device') to only hold symbol links. Can
I use an `attribute group' of the parent `struct device' for this, or a
child `struct device', or a bare `struct kobject'?

Regards,
Yu
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