linux-kernel - Re: Race free attributes in sysfs

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Message-ID: <4653D4D5.5030504@drzeus.cx>
Date:	Wed, 23 May 2007 07:44:53 +0200
From:	Pierre Ossman <drzeus-list@...eus.cx>
To:	Greg KH <greg@...ah.com>
CC:	Kay Sievers <kay.sievers@...y.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"Kristian H?gsberg" <krh@...planet.net>
Subject: Re: Race free attributes in sysfs

Greg KH wrote:
> If you can come up with a wrapper that will work, please let me know and
> I'll be glad to add it.  Right now, it's pretty darn simple to do this
> (look at the USB and PCI core code for examples if you need it.)
>
>   

I guess we have different views on "simple" :)

I had a look at the usb code, which is why I think the current method is
a bit indirect. Right now I instead copied the function that adds the
device attributes given in the bus_type structure. Couldn't that be used
in a more general manner to get device attribute groups?

> Anyway, groups are what you want and need, please use them and then you
> don't have to worry about triggering an event later after you have
> created your files on your own.
>   

I take it I can supply an array of groups somewhere?

-- 
     -- Pierre Ossman

  Linux kernel, MMC maintainer        http://www.kernel.org
  PulseAudio, core developer          http://pulseaudio.org
  rdesktop, core developer          http://www.rdesktop.org

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