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Date: Tue, 27 Dec 2011 10:13:21 -0500 (EST)
From: Rick Macklem <rmacklem@uoguelph.ca>
To: perryh@pluto.rain.com
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Cc: iwc2010005@gmail.com, freebsd-net@freebsd.org, jhell@DataIX.net
Subject: Re: Can we do perform a C style file Read/Write from within a ARP
 module
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perryh wrote:
> Jason Hellenthal <jhell@DataIX.net> wrote:
> >
> > See siftr(4). This module writes to a file.
> 
> Is siftr(4) new since 8.1?
> 
> $ man siftr
> No manual entry for siftr
> $ cd /usr/ports
> $ ls -d */*siftr*
> ls: */*siftr*: No such file or directory
> 
You can look at:
  http://people.freebsd.org/~rmacklem/nfs_clpackrat.c

I won't say it is the best or even a good way to do it, but
this code reads/writes files directly in the kernel.

rick