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Subject: Re: _reliable_ way to get the dev for a mount point?
From: Xavier Bestel <xavier.bestel@free.fr>
To: andersen@codepoet.org
Cc: Pozsar Balazs <pozsy@sch.bme.hu>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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Date: 06 May 2002 20:10:30 +0200
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Le lun 06/05/2002 à 19:38, Erik Andersen a écrit :
> On Mon May 06, 2002 at 11:55:38AM +0200, Pozsar Balazs wrote:
> > So, my question is there a way to get back the device for a directory,
> > _reliably_. (I want to know which devices holds the files my process sees
> > under an arbitrary /path/to/somewhere).
> 
> stat(mnt_point, &statbuf); then walk through /dev and stat each
> device, check that it is a block device and that st_rdev matches
> the statbuf.st_rdev.  When you get a match, you know a device
> name for the directory.

is devfs walkable ? I mean, no loops or infinite dynamically generated
directory ?