linux-kernel - Re: [PATCH v4 1/1] dcache: Translating dentry into pathname without taking rename

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Message-ID: <20130910022505.GW13318@ZenIV.linux.org.uk>
Date:	Tue, 10 Sep 2013 03:25:05 +0100
From:	Al Viro <viro@...IV.linux.org.uk>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Ramkumar Ramachandra <artagnon@...il.com>,
	George Spelvin <linux@...izon.com>,
	"Chandramouleeswaran, Aswin" <aswin@...com>,
	John Stoffel <john@...ffel.org>,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"Norton, Scott J" <scott.norton@...com>,
	Waiman Long <Waiman.Long@...com>
Subject: Re: [PATCH v4 1/1] dcache: Translating dentry into pathname without
 taking rename_lock

On Mon, Sep 09, 2013 at 06:34:16PM -0700, Linus Torvalds wrote:
> On Mon, Sep 9, 2013 at 6:15 PM, Ramkumar Ramachandra <artagnon@...il.com> wrote:
> >
> > Maybe it should then?
> 
> It doesn't need to. The RCU lookup looks at individual dentry sequence
> numbers and doesn't care about the bigger rename sequence number at
> all.

One name: Mark V. Shaney...
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