linux-kernel - Re: [PATCH 2/3] mmc: Export ios settings for a host through debugfs

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Date:	Sat, 28 Jun 2008 16:07:52 +0200
From:	Haavard Skinnemoen <haavard.skinnemoen@...el.com>
To:	Pierre Ossman <drzeus-mmc@...eus.cx>
Cc:	linux-kernel@...r.kernel.org, Greg Kroah-Hartman <greg@...ah.com>
Subject: Re: [PATCH 2/3] mmc: Export ios settings for a host through debugfs

Pierre Ossman <drzeus-mmc@...eus.cx> wrote:
> On Sat, 28 Jun 2008 15:47:00 +0200
> Haavard Skinnemoen <haavard.skinnemoen@...el.com> wrote:
> 
> > Pierre Ossman <drzeus-mmc@...eus.cx> wrote:
> > > 
> > > Can't we use debugfs' own bookkeeping to keep track of them? Saves us a
> > > lot of noise in these structures.
> > 
> > You mean d_subdirs in struct dentry? I guess we could do that...though
> > I was sort of trying not to dig too deply into VFS internals...
> > 
> 
> I'm a complete noob when it comes to debugfs. There isn't some
> recursive delete function that can be used on the "ios" node?

I don't think so, but I think it would be very useful. I sometimes
forget to remove an entry so that I have to reboot in order to get my
driver's debugfs interface going again..

Greg, do you have any suggestions?

Haavard
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