Re: kernel space getcwd()? (using current() to find out cwd)

[Christoph Hellwig <hch@ns.caldera.de>]

In article <15067.30060.436790.458922@bangstate.com> you wrote:
> So, a little ignorance being a dangerous thing, I thought I'd be clever
> and manually reconstruct the full path by walking up
> current->fs->pwd->d_parent and padding d_name to the filename until it
> hits root.
>
> Unfortunatly, this approach causes kernel panics.  e.g., the attached
> code snippet will inevitably bring down the machine if I call it
> during in my replacement open, mkdir, rmdir, unlink routines -- and
> tehy all work fine without itq. 


Use d_path.  NOTE:  the buffer in which the pathname is returned is
the return value of the function and _not_ the buffer you gave to it.

	Christoph

-- 
Of course it doesn't work. We've performed a software upgrade.