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Message-ID: <20110824093431.GA3286@htj.dyndns.org>
Date:	Wed, 24 Aug 2011 11:34:31 +0200
From:	Tejun Heo <tj@...nel.org>
To:	Cyrill Gorcunov <gorcunov@...il.com>
Cc:	Nathan Lynch <ntl@...ox.com>, Oren Laadan <orenl@...columbia.edu>,
	Daniel Lezcano <dlezcano@...ibm.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Glauber Costa <glommer@...allels.com>,
	containers@...ts.osdl.org, linux-kernel@...r.kernel.org,
	Pavel Emelyanov <xemul@...allels.com>,
	Serge Hallyn <serge.hallyn@...onical.com>,
	LINUXFS-ML <linux-fsdevel@...r.kernel.org>,
	James Bottomley <jbottomley@...allels.com>
Subject: Re: [RFC] fs, proc: Introduce the /proc/<pid>/map_files/ directory v2

Hello,

On Wed, Aug 24, 2011 at 12:53:29PM +0400, Cyrill Gorcunov wrote:
> +static const struct dentry_operations tid_map_files_dentry_operations = {
> +	.d_revalidate	= pid_revalidate,
> +	.d_delete	= pid_delete_dentry,
> +};

Why pid_revalidate?  Shouldn't it be verifying the entry against the
current vmas?  vmas (of course) can change while the process is
running.

Thanks.

-- 
tejun
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