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From: "J. Bruce Fields" <>
To: Alex Lyakas <>
Cc:, Shyam Kaushik <>
Subject: Re: [RFC-PATCH] nfsd: provide a procfs entry to release stateids of a particular local filesystem
Date: Tue, 10 Sep 2019 16:25:33 -0400
Message-ID: <> (raw)
In-Reply-To: <>

On Tue, Sep 10, 2019 at 10:00:24PM +0300, Alex Lyakas wrote:
> I addressed your comments, and ran the patch through
> Patch v2 is on its way.

Thanks for the revision!  I need to spend the next week or so catching
up on some other review and then I'll get back to this.

For now:

> On Fri, Sep 6, 2019 at 7:12 PM J. Bruce Fields <> wrote:
> > You'll want to cover delegations as well.  And probably pNFS layouts.
> > It'd be OK to do that incrementally in followup patches.
> Unfortunately, I don't have much understanding of what these are, and
> how to cover them)

Delegations are give the client the right to cache files across opens.
I'm a little surprised your patches are working for you without handling
delegations.  There may be something about your environment that's
preventing delegations from being given out.  In the NFSv4.0 case they
require the server to make a tcp connection back the client, which is
easy blocked by firewalls or NAT.  Might be worth testing with v4.1 or

Anyway, so we probably also want to walk the client's dl_perclnt list
and look for matching files.


  reply index

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-03 13:55 Alex Lyakas
2019-09-06 16:12 ` J. Bruce Fields
2019-09-10 19:00   ` Alex Lyakas
2019-09-10 20:25     ` J. Bruce Fields [this message]
2019-09-22  6:52       ` Alex Lyakas
2019-09-23 16:25         ` J. Bruce Fields
2019-09-24 14:35           ` Alex Lyakas
2019-09-16 22:28 ` John Gallagher
2019-09-17 14:16   ` Chuck Lever

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