linux-kernel - Re: [RFC PATCH 02/18] kthread: Add API for iterant kthreads

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Message-ID: <20150609062349.GW21465@mtj.duckdns.org>
Date:	Tue, 9 Jun 2015 15:23:49 +0900
From:	Tejun Heo <tj@...nel.org>
To:	Petr Mladek <pmladek@...e.cz>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Oleg Nesterov <oleg@...hat.com>,
	Ingo Molnar <mingo@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Richard Weinberger <richard@....at>,
	Steven Rostedt <rostedt@...dmis.org>,
	David Woodhouse <dwmw2@...radead.org>,
	linux-mtd@...ts.infradead.org,
	Trond Myklebust <trond.myklebust@...marydata.com>,
	Anna Schumaker <anna.schumaker@...app.com>,
	linux-nfs@...r.kernel.org, Chris Mason <clm@...com>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Jiri Kosina <jkosina@...e.cz>, Borislav Petkov <bp@...e.de>,
	Michal Hocko <mhocko@...e.cz>, live-patching@...r.kernel.org,
	linux-api@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 02/18] kthread: Add API for iterant kthreads

Hello, Petr.

On Fri, Jun 05, 2015 at 05:01:01PM +0200, Petr Mladek wrote:
> +static int kthread_iterant_fn(void *kti_ptr)
> +{
> +	struct kthread_iterant *kti = kti_ptr;
> +	void *data = kti->data;
> +
> +	if (kti->init)
> +		kti->init(data);
> +
> +	do {
> +		if (kti->func)
> +			kti->func(data);

Is supporting kthread_iterant w/o the body function intentional?  If
so, did you have anything specific on mind for it?  I don't think it
matters either way.  Just curious how this came to be.

Thanks.

-- 
tejun
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