linux-kernel - Re: [PATCH] Missing usb_find

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Message-ID: <20080124202833.GA3216@kroah.com>
Date:	Thu, 24 Jan 2008 12:28:33 -0800
From:	Greg KH <greg@...ah.com>
To:	Oliver Neukum <oliver@...kum.org>
Cc:	Pekka Enberg <penberg@...helsinki.fi>,
	Wilco Beekhuizen <wilcobeekhuizen@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Missing usb_find_device symbol from usb.c

On Thu, Jan 24, 2008 at 09:00:21PM +0100, Oliver Neukum wrote:
> Am Donnerstag, 24. Januar 2008 19:03:13 schrieb Greg KH:
> > And the unplug issue at a filesystem level should be pretty trivial to
> > handle, we do it all the time in /proc and /sys and other virtual
> > filesystems (usbfs) with no problems.
> 
> A discussion about lifetime rules for objects in sysfs anyone? ;->

The objects (kobjects) are now separate from the sysfs core internals,
so this should all be fixed up now :)

Anyway, sysfs is (hopefully) different from this filesystem, it should
be able to be done using all of the ramfs code, and no "special" backing
logic would be needed.  Like usbfs...

And if you see problems in the usbfs implementation with regards to
lifetime rules (becides the devices file), please let me know.

thanks,

greg k-h
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