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From: Christoph Hellwig <hch@infradead.org>
To: "Denis V. Lunev" <den@sw.ru>
Cc: Christoph Hellwig <hch@infradead.org>,
	"Denis V. Lunev" <den@openvz.org>,
	trond.myklebust@fys.uio.no, linux-kernel@vger.kernel.org,
	xemul@openvz.org, devel@openvz.org
Subject: Re: [PATCH] [NFS]: Lock daemon start/stop rework.
Date: Wed, 6 Feb 2008 04:13:18 +0000	[thread overview]
Message-ID: <20080206041318.GA6589@infradead.org> (raw)
In-Reply-To: <47A17D50.4000409@sw.ru>

On Thu, Jan 31, 2008 at 10:48:32AM +0300, Denis V. Lunev wrote:
> Christoph Hellwig wrote:
> > On Wed, Jan 30, 2008 at 02:41:34PM +0300, Denis V. Lunev wrote:
> >> The pid of the locking daemon can be substituted with a task struct
> >> without a problem. Namely, the value if filled in the context of the lockd
> >> thread and used in lockd_up/lockd_down.
> >>
> >> It is possible to save task struct instead and use it to kill the process.
> >> The safety of this operation is guaranteed by the RCU, i.e. task can't
> >> disappear without passing a quiscent state.
> > 
> > We have a patch series pending on the nfs list that does this plus a lot
> > more in the area.
> > 
> > 
> where can I have to look them? :)

The lastest version was just posted on the linux-nfs list:
http://marc.info/?l=linux-nfs&m=120224048613393&w=2

  reply	other threads:[~2008-02-06  4:13 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-30 11:41 Denis V. Lunev
2008-01-31  3:33 ` Christoph Hellwig
2008-01-31  7:48   ` Denis V. Lunev
2008-02-06  4:13     ` Christoph Hellwig [this message]
2008-03-11 13:46   ` Pavel Emelyanov

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