Date: Wed, 15 Feb 2012 23:18:49 +0400
From: Cyrill Gorcunov <gorcunov@openvz.org>
To: Oleg Nesterov <oleg@redhat.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
        Pavel Emelyanov <xemul@parallels.com>,
        Andrey Vagin <avagin@openvz.org>,
        KOSAKI Motohiro <kosaki.motohiro@gmail.com>,
        Ingo Molnar <mingo@elte.hu>, "H. Peter Anvin" <hpa@zytor.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Glauber Costa <glommer@parallels.com>,
        Andi Kleen <andi@firstfloor.org>, Tejun Heo <tj@kernel.org>,
        Matt Helsley <matthltc@us.ibm.com>, Pekka Enberg <penberg@kernel.org>,
        Eric Dumazet <eric.dumazet@gmail.com>,
        Vasiliy Kulikov <segoon@openwall.com>,
        Alexey Dobriyan <adobriyan@gmail.com>, Valdis.Kletnieks@vt.edu,
        Michal Marek <mmarek@suse.cz>,
        Frederic Weisbecker <fweisbec@gmail.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        linux-kernel@vger.kernel.org
Subject: Re: + syscalls-x86-add-__nr_kcmp-syscall-v8.patch added to -mm tree
Message-ID: <20120215191849.GN1894@moon>
References: <20120215143606.GA14037@redhat.com>
 <20120215151008.GL1894@moon>
 <20120215183203.GH4533@moon>
 <20120215190622.GA25559@redhat.com>
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On Wed, Feb 15, 2012 at 08:06:22PM +0100, Oleg Nesterov wrote:
> 
> I think this should work. Or you can simply do
> 
> 	struct file *file = NULL;
> 
> 	task_lock(task);
> 	rcu_read_lock();
> 	if (task->files)
> 		file = fcheck_files(task->files, idx);
> 	rcu_read_unlock();
> 	task_unlock(task);
> 

Yeah, thanks, this one is better.

	Cyrill
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