linux-kernel - Re: Grace period

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Message-ID: <20120410204608.GI18465@fieldses.org>
Date:	Tue, 10 Apr 2012 16:46:08 -0400
From:	"bfields@...ldses.org" <bfields@...ldses.org>
To:	Jeff Layton <jlayton@...hat.com>
Cc:	Stanislav Kinsbursky <skinsbursky@...allels.com>,
	"Myklebust, Trond" <Trond.Myklebust@...app.com>,
	"linux-nfs@...r.kernel.org" <linux-nfs@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: Grace period

On Tue, Apr 10, 2012 at 02:28:53PM -0400, Jeff Layton wrote:
> This sort of thing is one of the reasons I've been saying that the
> grace period is really a property of the underlying filesystem and not
> of nfsd itself. Of course, we do have to come up with a way to handle
> the grace period that doesn't involve altering every exportable fs.

By the way, the case of multiple containers exporting a single
filesystem does look a lot like an active/active cluster filesystem
export.  It might be an opportunity to prototype the interfaces for
handling that case without having to deal with modifying the DLM.

--b.
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