linux-kernel - Re: Relay Subsystem the 2nd.

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Message-ID: <20060823005736.GA8047@localhost.hsdv.com>
Date:	Wed, 23 Aug 2006 09:57:36 +0900
From:	Paul Mundt <lethal@...ux-sh.org>
To:	Bjo Breiskoll <bjo@...kom.net>
Cc:	"Linux-Kernel@...r. Kernel. Org" <linux-kernel@...r.kernel.org>
Subject: Re: Relay Subsystem the 2nd.

On Wed, Aug 23, 2006 at 01:49:29AM +0200, Bjo Breiskoll wrote:
> back to my question last week. I would like to implement a new kernel-modul
> with the ability to write data from kernelspace to userspace via the new
> relay subsystem. The less info from block/blktrace.c is insufficient
> unfortunately. The userspace-program should be able to "listen" to the
> kernel-modul if there is new data written. My first Implementation with data
> exchange over copy_to_user() and a char-device is insufficient. So i need an
> hint for something like blocked-IO for relay-files. Is this possible with
> the new relay-subsystem?
>  
Is there something insufficient with poll() on relay files?
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