RFC: path display and path filtering features.

[Dmitry V. Levin]

On Fri, Feb 18, 2011 at 02:49:54PM -0800, Roland McGrath wrote:
> > We could canonicalize absolute pathname arguments.
> > We even could canonicalize relative pathname arguments using
> > /proc/$pid/cwd.
> > But I'm not sure now whether we really need this or not.
> 
> Given per-process mount namespace, this could be error prone.
> At least, it takes extra care to consider /proc/$pid/root too.
> So I'd avoid that complexity to start with.

Is /proc/$pid/cwd less reliable than /proc/$pid/fd/$fd?


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