From: Peter Staubach <staubach@redhat.com>
To: "J. Bruce Fields" <bfields@fieldses.org>
Cc: linux-fsdevel@vger.kernel.org, nfs@lists.sourceforge.net,
"J. Bruce Fields" <bfields@citi.umich.edu>,
David Teigland <teigland@redhat.com>,
Marc Eshel <eshel@almaden.ibm.com>
Subject: Re: [PATCH] locks: provide a file lease method enabling cluster-coherent leases
Date: Fri, 01 Jun 2007 09:14:53 -0400 [thread overview]
Message-ID: <46601BCD.8050609@redhat.com> (raw)
In-Reply-To: <11806476252913-git-send-email-bfields@fieldses.org>
J. Bruce Fields wrote:
> From: J. Bruce Fields <bfields@fieldses.org>
>
> Currently leases are only kept locally, so there's no way for a distributed
> filesystem to enforce them against multiple clients. We're particularly
> interested in the case of nfsd exporting a cluster filesystem, in which
> case nfsd needs cluster-coherent leases in order to implement delegations
> correctly.
A couple of naive questions --
Do the semantics of these leases really match the requirements from NFSv4?
Does the internal NFSv4 server state also need to be shared?
Thanx...
ps
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next prev parent reply other threads:[~2007-06-01 13:14 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-31 21:40 cluster-coherent leases J. Bruce Fields
2007-05-31 21:40 ` [PATCH] locks: share more common lease code J. Bruce Fields
2007-05-31 21:40 ` [PATCH] locks: provide a file lease method enabling cluster-coherent leases J. Bruce Fields
2007-05-31 21:40 ` [PATCH] gfs2: stop giving out non-cluster-coherent leases J. Bruce Fields
2007-05-31 22:34 ` [PATCH] locks: provide a file lease method enabling cluster-coherent leases Trond Myklebust
2007-06-01 16:53 ` [NFS] " J. Bruce Fields
2007-06-02 17:39 ` Trond Myklebust
2007-06-02 18:09 ` Marc Eshel
2007-06-02 18:21 ` Trond Myklebust
2007-06-04 13:59 ` J. Bruce Fields
2007-06-05 22:04 ` Robert Rappaport
2007-06-05 22:53 ` [NFS] " Trond Myklebust
2007-06-05 22:56 ` Marc Eshel
2007-06-05 23:40 ` Trond Myklebust
2007-06-06 18:43 ` Robert Rappaport
2007-06-07 14:43 ` [NFS] " Robert Rappaport
2007-06-07 17:05 ` J. Bruce Fields
2007-06-08 22:14 ` (unknown), J. Bruce Fields
2007-06-08 22:14 ` (no subject) J. Bruce Fields
[not found] ` <11813408953536-git-send-email->
2007-06-08 22:14 ` [PATCH 1/5] locks: share more common lease code J. Bruce Fields
2007-06-08 22:14 ` J. Bruce Fields
[not found] ` <11813408952518-git-send-email->
2007-06-08 22:14 ` [PATCH 2/5] locks: provide a file lease method enabling cluster-coherent leases J. Bruce Fields
2007-06-08 22:14 ` J. Bruce Fields
[not found] ` <11813408951909-git-send-email->
2007-06-08 22:14 ` [PATCH 3/5] locks: rename lease functions to reflect locks.c conventions J. Bruce Fields
2007-06-08 22:14 ` J. Bruce Fields
[not found] ` <11813408954053-git-send-email->
2007-06-08 22:14 ` [PATCH 4/5] gfs2: stop giving out non-cluster-coherent leases J. Bruce Fields
2007-06-08 22:14 ` J. Bruce Fields
[not found] ` <11813408951694-git-send-email->
2007-06-08 22:14 ` [PATCH 5/5] nfs: disable leases over NFS J. Bruce Fields
2007-06-08 22:14 ` J. Bruce Fields
2007-06-09 14:18 ` [PATCH 4/5] gfs2: stop giving out non-cluster-coherent leases Steven Whitehouse
2007-06-09 16:35 ` Marc Eshel
2007-06-11 9:38 ` Steven Whitehouse
2007-06-11 17:07 ` J. Bruce Fields
2007-06-09 16:56 ` [PATCH 3/5] locks: rename lease functions to reflect locks.c conventions Marc Eshel
2007-06-11 16:53 ` J. Bruce Fields
2007-06-02 18:23 ` [NFS] [PATCH] locks: provide a file lease method enabling cluster-coherent leases Trond Myklebust
2007-06-01 13:14 ` Peter Staubach [this message]
2007-06-01 16:44 ` J. Bruce Fields
2007-06-01 17:41 ` Matthew Wilcox
2007-06-01 18:08 ` J. Bruce Fields
2007-05-31 21:51 ` [PATCH] locks: share more common lease code Trond Myklebust
2007-06-01 16:30 ` [NFS] " J. Bruce Fields
2007-06-01 16:36 ` Trond Myklebust
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