linux-kernel - Re: deferring _

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Message-ID: <20120624165433.GA1211@redhat.com>
Date:	Sun, 24 Jun 2012 18:54:33 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Al Viro <viro@...IV.linux.org.uk>
Cc:	Mimi Zohar <zohar@...ux.vnet.ibm.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	". James Morris" <jmorris@...ei.org>,
	linux-security-module@...r.kernel.org,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: deferring __fput()

On 06/24, Al Viro wrote:
>
> in vfs.git#untested.

include/linux/types.h:

	#define rcu_head callback_head

OK, now I understand why did you want task_work/rcu identical.

So, you are not going to add a rcu/task_work union in (say)
struct cred, task_work_add() should "silently" reuse cred->rcu.

OK, perhaps this makes more sense...

Oleg.

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