From: Andrew Morton <akpm@osdl.org>
To: Joel Becker <Joel.Becker@oracle.com>
Cc: phillips@istop.com, linux-cluster@redhat.com,
linux-fsdevel@vger.kernel.org, ak@suse.de,
linux-kernel@vger.kernel.org
Subject: Re: Re: GFS, what's remaining
Date: Sat, 3 Sep 2005 22:41:40 -0700 [thread overview]
Message-ID: <20050903224140.0442fac4.akpm@osdl.org> (raw)
In-Reply-To: <20050904045821.GT8684@ca-server1.us.oracle.com>
Joel Becker <Joel.Becker@oracle.com> wrote:
>
> > What happens when we want to add some new primitive which has no posix-file
> > analog?
>
> The point of dlmfs is not to express every primitive that the
> DLM has. dlmfs cannot express the CR, CW, and PW levels of the VMS
> locking scheme. Nor should it. The point isn't to use a filesystem
> interface for programs that need all the flexibility and power of the
> VMS DLM. The point is a simple system that programs needing the basic
> operations can use. Even shell scripts.
Are you saying that the posix-file lookalike interface provides access to
part of the functionality, but there are other APIs which are used to
access the rest of the functionality? If so, what is that interface, and
why cannot that interface offer access to 100% of the functionality, thus
making the posix-file tricks unnecessary?
next prev parent reply other threads:[~2005-09-04 5:41 UTC|newest]
Thread overview: 105+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-01 10:46 GFS, what's remaining David Teigland
2005-09-01 10:42 ` Arjan van de Ven
2005-09-01 10:59 ` Andrew Morton
2005-09-01 14:49 ` Alan Cox
2005-09-01 14:27 ` Christoph Hellwig
2005-09-01 15:28 ` Alan Cox
2005-09-01 15:11 ` Lars Marowsky-Bree
2005-09-01 17:56 ` Christoph Hellwig
2005-09-02 7:04 ` David Teigland
2005-09-01 17:23 ` Daniel Phillips
2005-09-01 20:21 ` Andrew Morton
2005-09-02 21:17 ` Andi Kleen
2005-09-02 23:03 ` Bryan Henderson
2005-09-03 0:16 ` Mark Fasheh
2005-09-03 6:42 ` Daniel Phillips
2005-09-03 6:46 ` Wim Coekaerts
2005-09-03 22:21 ` Daniel Phillips
2005-09-04 1:09 ` [Linux-cluster] " Joel Becker
2005-09-04 1:32 ` Andrew Morton
2005-09-04 3:06 ` Joel Becker
2005-09-04 4:22 ` [Linux-cluster] " Daniel Phillips
2005-09-04 4:30 ` Joel Becker
2005-09-04 4:51 ` Daniel Phillips
2005-09-04 5:00 ` Joel Becker
2005-09-04 5:52 ` [Linux-cluster] " Daniel Phillips
2005-09-04 5:56 ` Joel Becker
2005-09-04 4:46 ` Andrew Morton
2005-09-04 4:58 ` Joel Becker
2005-09-04 5:41 ` Andrew Morton [this message]
2005-09-04 5:49 ` Joel Becker
2005-09-05 4:30 ` David Teigland
2005-09-05 8:54 ` [Linux-cluster] " Andrew Morton
2005-09-05 9:24 ` David Teigland
2005-09-05 9:19 ` [Linux-cluster] " Andrew Morton
2005-09-05 9:30 ` Daniel Phillips
2005-09-05 9:48 ` David Teigland
2005-09-05 12:21 ` Alan Cox
2005-09-05 19:53 ` [Linux-cluster] " Andrew Morton
2005-09-05 23:20 ` Alan Cox
2005-09-05 23:06 ` Andrew Morton
2005-09-14 9:01 ` [Linux-cluster] " Patrick Caulfield
2005-09-05 19:11 ` kurt.hackel
2005-09-04 6:10 ` Mark Fasheh
2005-09-04 7:23 ` Andrew Morton
2005-09-04 8:17 ` Mark Fasheh
2005-09-04 8:37 ` Andrew Morton
2005-09-04 6:40 ` [Linux-cluster] " Daniel Phillips
2005-09-04 7:28 ` Andrew Morton
2005-09-04 8:01 ` [Linux-cluster] " Joel Becker
2005-09-04 8:18 ` Andrew Morton
2005-09-04 9:11 ` Joel Becker
2005-09-04 9:18 ` [Linux-cluster] " Andrew Morton
2005-09-04 9:39 ` Joel Becker
2005-09-04 18:03 ` [Linux-cluster] " Hua Zhong
2005-09-04 19:51 ` Daniel Phillips
2005-09-04 7:12 ` Hua Zhong
2005-09-04 8:37 ` Alan Cox
2005-09-05 23:32 ` Joel Becker
2005-09-03 5:57 ` Daniel Phillips
2005-09-05 14:14 ` Lars Marowsky-Bree
2005-09-05 15:49 ` Daniel Phillips
2005-09-05 16:18 ` Dmitry Torokhov
2005-09-06 0:57 ` Daniel Phillips
2005-09-06 2:03 ` Dmitry Torokhov
2005-09-06 4:02 ` Daniel Phillips
2005-09-06 4:07 ` GFS, what's remainingh Dmitry Torokhov
2005-09-06 4:58 ` Daniel Phillips
2005-09-06 5:05 ` Dmitry Torokhov
2005-09-06 6:48 ` Daniel Phillips
2005-09-06 6:55 ` Dmitry Torokhov
2005-09-06 7:18 ` Daniel Phillips
2005-09-06 14:31 ` Dmitry Torokhov
2005-09-06 13:42 ` Alan Cox
2005-09-03 7:06 ` GFS, what's remaining Wim Coekaerts
2005-09-06 12:55 ` Suparna Bhattacharya
2005-09-03 5:18 ` David Teigland
2005-09-03 6:14 ` Arjan van de Ven
2005-09-03 6:42 ` D. Hazelton
2005-09-03 10:35 ` David Teigland
2005-09-03 20:56 ` Daniel Phillips
2005-09-04 20:33 ` Pavel Machek
2005-09-04 22:18 ` Joel Becker
2005-09-05 5:54 ` Theodore Ts'o
2005-09-05 7:09 ` Mark Fasheh
2005-09-05 14:07 ` Theodore Ts'o
2005-09-05 8:27 ` real read-only [was Re: GFS, what's remaining] Pavel Machek
2005-09-05 14:03 ` Theodore Ts'o
2005-09-05 10:44 ` Re: GFS, what's remaining Stephen C. Tweedie
2005-09-05 16:41 ` Greg Freemyer
2005-09-01 11:35 ` Arjan van de Ven
2005-09-02 9:44 ` David Teigland
2005-09-02 11:46 ` Jörn Engel
2005-09-03 5:28 ` Greg KH
2005-09-05 3:47 ` David Teigland
2005-09-05 8:58 ` Jörn Engel
2005-09-05 9:18 ` David Teigland
2005-09-05 5:43 ` David Teigland
2005-09-05 6:32 ` Pekka Enberg
2005-09-05 7:55 ` David Teigland
2005-09-05 8:00 ` Pekka Enberg
2005-09-10 10:11 ` Arjan van de Ven
2005-09-05 6:29 ` David Teigland
2005-09-08 5:41 ` David Teigland
2005-09-01 12:33 ` Pekka Enberg
2005-09-01 17:27 ` Daniel Phillips
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