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

[Greg KH <greg@kroah.com>]

On Sat, Jun 28, 2008 at 04:07:52PM +0200, Haavard Skinnemoen wrote:
> Pierre Ossman <drzeus-mmc@drzeus.cx> wrote:
> > On Sat, 28 Jun 2008 15:47:00 +0200
> > Haavard Skinnemoen <haavard.skinnemoen@atmel.com> wrote:
> > 
> > > Pierre Ossman <drzeus-mmc@drzeus.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?

Someone can add a "debugfs_rm_dentry_and_children" function if they so
desire to handle this kind of thing if they want to :)

thanks,

greg k-h