linux-kernel - Re: [PATCH 4/6 OPTION-A version 3] completion: Add new wait_for_completion_timeout

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Date:	Wed, 28 Mar 2012 11:19:46 -0700
From:	Boaz Harrosh <bharrosh@...asas.com>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Oleg Nesterov <oleg@...hat.com>,
	Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>,
	<linux-security-module@...r.kernel.org>,
	Ingo Molnar <mingo@...e.hu>, Paul Turner <pjt@...gle.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	NFS list <linux-nfs@...r.kernel.org>,
	Trond Myklebust <Trond.Myklebust@...app.com>,
	"Bhamare, Sachin" <sbhamare@...asas.com>,
	David Howells <dhowells@...hat.com>,
	Eric Paris <eparis@...hat.com>,
	"Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>,
	Kay Sievers <kay.sievers@...y.org>,
	James Morris <jmorris@...ei.org>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Greg KH <gregkh@...uxfoundation.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	"keyrings@...ux-nfs.org" <keyrings@...ux-nfs.org>
Subject: Re: [PATCH 4/6 OPTION-A version 3] completion: Add new wait_for_completion_timeout_state

On 03/27/2012 01:11 AM, Peter Zijlstra wrote:

> On Mon, 2012-03-26 at 19:33 -0700, Boaz Harrosh wrote:
> 
> 
> So I'm fine with adding wait_for_completion_timeout_state(), but make it
> look and smell like wait_for_completion_timeout() and use a proper
> state, like wake_up_state().
> 
> IOW:
> 
> unsigned long __sched 
> wait_for_completion_timeout_state(struct completion *x, 
> 				  unsigned long timeout,
> 				  unsigned int state)
> {
> 	return wait_for_common(x, timeout, state);
> }
> EXPORT_SYMBOL(wait_for_completion_timeout_state);
> 



Looks good thanks It's what I had at first, and went
overboard with it. KISS right?

I'll resend and use it as is? Should I add a BUG_ON
if state is not one of:
	TASK_UNINTERRUPTIBLE
	TASK_KILLABLE
	TASK_INTERRUPTIBLE

Thanks Peter, this will help me a lot
Boaz
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