linux-kernel - Re: [PATCH] ipv4/ipvs: Convert to kthread API

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Message-Id: <20070419155944.e5fb8e66.akpm@linux-foundation.org>
Date:	Thu, 19 Apr 2007 15:59:44 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Simon Horman <horms@...ge.net.au>
Cc:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	containers@...ts.osdl.org, Oleg Nesterov <oleg@...sign.ru>,
	Christoph Hellwig <hch@...radead.org>,
	linux-kernel@...r.kernel.org, Wensong Zhang <wensong@...ux-vs.org>,
	Julian Anastasov <ja@....bg>
Subject: Re: [PATCH] ipv4/ipvs: Convert to kthread API

On Thu, 19 Apr 2007 18:04:36 +0900
Simon Horman <horms@...ge.net.au> wrote:

> On Thu, Apr 19, 2007 at 01:58:57AM -0600, Eric W. Biederman wrote:
> > From: Eric W. Biederman <ebiederm@...ssion.com>
> > 
> > Modify startup of ipvs sync threads to use kthread_run
> > instead of a weird combination of calling kernel_thread
> > to start a fork_sync_thread whose hole purpose in life was
> > to call kernel_thread again starting the actually sync thread
> > which called daemonize.
> > 
> > To use kthread_run I had to move the name calcuation from
> > sync_thread into start_sync_thread resulting in a small
> > amount of code motion.
> > 
> > The result is simpler and more maintainable piece of code.
> 
> Thanks Eric, I'll review this and get back to you shortly.
> 

There still seems to be quite a lot of complexity in this driver's
thread handling which could be removed if we did a full conversion 
to the kthread API.

It all looks.... surprisingly complex in there.
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