Re: Relay Subsystem the 2nd.
From: Paul Mundt
Date: Tue Aug 22 2006 - 20:55:16 EST
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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