linux-kernel - Re: get device from file struct

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Message-Id: <1166006239.30185.66.camel@ThinkPadCK6>
Date:	Wed, 13 Dec 2006 11:37:19 +0100
From:	Silviu Craciunas <silviu.craciunas@....ac.at>
To:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: get device from file struct

On Wed, 2006-12-13 at 10:59 +0100, Jan Engelhardt wrote:
> >thanks for the reply, the block device can be determined with the major
> >and minor numbers , what I would be more interested in is if one can get
> >the net_device struct from the file struct
> 
> Just how are you supposed to match files and network devices?
> 
> 
> 	-`J'

from the struct file you can get the struct socket and from there to the
struct sock . What I would like to find out is where the data is coming
from (read) and where it is going to(write) or if it is even possible to
find the net device out using the struct file.

Silviu 

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