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From: Christoph Hellwig <>
To: "Denis V. Lunev" <>
Subject: Re: [PATCH] [NFS]: Lock daemon start/stop rework.
Date: Thu, 31 Jan 2008 03:33:20 +0000	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

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.

  reply	other threads:[~2008-01-31  3:33 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 [this message]
2008-01-31  7:48   ` Denis V. Lunev
2008-02-06  4:13     ` Christoph Hellwig
2008-03-11 13:46   ` Pavel Emelyanov

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