Messages in this thread | | | Date | Thu, 31 Jan 2008 03:33:20 +0000 | From | Christoph Hellwig <> | Subject | Re: [PATCH] [NFS]: Lock daemon start/stop rework. |
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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.
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