Re: [RFC] Hack to use mkdir/rmdir in debugfs

From: Greg Kroah-Hartman
Date: Tue Jan 22 2013 - 23:53:22 EST


On Tue, Jan 22, 2013 at 11:44:09PM -0500, Steven Rostedt wrote:
> On Tue, 2013-01-22 at 23:31 -0500, Steven Rostedt wrote:
>
> > >
> > > But again, I'd really not want to do this in debugfs, how about your own
> > > filesystem?
> >
> > I will note that this never modifies the debugfs code. But it does
> > circumvent it. That is, all this code lives in kernel/trace/trace.c. I
> > don't modify any of the debugfs code. I just replace the debugfs
> > dentry->d_inode->i_op with my own ops.
>
> Again, I want to stress that this doesn't touch the debugfs code. Here's
> the real change that I've been testing. It includes the code for the
> "new" and "free" files but those are not created because of an early
> 'return' I added. Notice that it's all contained in
> kernel/trace/trace.c.

Ok, then I'll just forget you ever asked anything about this and wish
you well :)

Have fun,

greg k-h
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