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From: Mark Fasheh <mark.fasheh@oracle.com>
To: Pekka J Enberg <penberg@cs.helsinki.fi>
Cc: Christoph Hellwig <hch@infradead.org>, Zach Brown <zab@zabbo.net>,
	David Teigland <teigland@redhat.com>,
	Pekka Enberg <penberg@gmail.com>,
	akpm@osdl.org, linux-kernel@vger.kernel.org,
	linux-cluster@redhat.com
Subject: Re: GFS
Date: Wed, 10 Aug 2005 15:07:44 -0700	[thread overview]
Message-ID: <20050810220744.GJ21228@ca-server1.us.oracle.com> (raw)
In-Reply-To: <courier.42FA6128.000009AE@courier.cs.helsinki.fi>

On Wed, Aug 10, 2005 at 11:18:48PM +0300, Pekka J Enberg wrote:
> Aah, I see GFS2 does that too so no deadlocks here. Thanks.
Yep, no problem :)

> You, however, don't maintain the same level of data consistency when reads
> and writes are from other filesystems as they use ->nopage.
I'm not sure what you mean here...

> Fixing this requires a generic vma walk in every write() and read(), no?
> That doesn't seem such an hot idea which brings us back to using ->nopage
> for taking the locks (but now the deadlocks are back). 
Yeah if you look through mmap.c in ocfs2_fill_ctxt_from_buf() we do this...
Or am I misunderstanding what you mean?
	--Mark

--
Mark Fasheh
Senior Software Developer, Oracle
mark.fasheh@oracle.com

  reply	other threads:[~2005-08-10 22:08 UTC|newest]

Thread overview: 84+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-08-02  7:18 [PATCH 00/14] GFS David Teigland
2005-08-02  7:45 ` Arjan van de Ven
2005-08-02 14:57   ` Jan Engelhardt
2005-08-02 15:02     ` Arjan van de Ven
2005-08-03  1:00       ` Hans Reiser
2005-08-03  4:07         ` Kyle Moffett
2005-08-03  6:37           ` Jan Engelhardt
2005-08-03  9:09         ` Arjan van de Ven
2005-08-03  3:56   ` David Teigland
2005-08-03  9:17     ` Arjan van de Ven
2005-08-03 10:08       ` David Teigland
2005-08-03 10:37     ` Lars Marowsky-Bree
2005-08-03 18:54       ` Mark Fasheh
2005-08-05  7:14   ` David Teigland
2005-08-05  7:27     ` [Linux-cluster] " Mike Christie
2005-08-05  7:30       ` Mike Christie
2005-08-05  7:34     ` Arjan van de Ven
2005-08-05  9:44       ` David Teigland
2005-08-05 10:07         ` Jörn Engel
2005-08-05 10:31           ` David Teigland
2005-08-05  8:28     ` Jan Engelhardt
2005-08-05  8:34       ` Arjan van de Ven
2005-08-08  6:26     ` David Teigland
2005-08-11  6:06   ` David Teigland
2005-08-11  6:55     ` Arjan van de Ven
2005-08-02 10:16 ` Pekka Enberg
2005-08-03  6:36   ` David Teigland
2005-08-08 14:14     ` GFS Pekka J Enberg
2005-08-08 18:32       ` GFS Zach Brown
2005-08-09 14:49         ` GFS Pekka Enberg
2005-08-09 17:17           ` GFS Zach Brown
2005-08-09 18:35             ` GFS Pekka J Enberg
2005-08-10  4:48             ` GFS Pekka J Enberg
2005-08-10  7:21           ` GFS Christoph Hellwig
2005-08-10  7:31             ` GFS Pekka J Enberg
2005-08-10 16:26               ` GFS Mark Fasheh
2005-08-10 16:57                 ` GFS Pekka J Enberg
2005-08-10 18:21                   ` GFS Mark Fasheh
2005-08-10 20:18                     ` GFS Pekka J Enberg
2005-08-10 22:07                       ` Mark Fasheh [this message]
2005-08-11  4:41                         ` GFS Pekka J Enberg
2005-08-10  5:59       ` GFS David Teigland
2005-08-10  6:06         ` GFS Pekka J Enberg
2005-08-03  6:44 ` [PATCH 00/14] GFS Pekka Enberg
2005-08-08  9:57   ` David Teigland
2005-08-08 10:00     ` GFS Pekka J Enberg
2005-08-08 10:05     ` [PATCH 00/14] GFS Arjan van de Ven
2005-08-08 10:20       ` Jörn Engel
2005-08-08 10:18     ` GFS Pekka J Enberg
2005-08-08 10:56       ` GFS David Teigland
2005-08-08 10:57         ` GFS Pekka J Enberg
2005-08-08 11:39           ` GFS David Teigland
2005-08-08 10:34     ` GFS Pekka J Enberg
2005-08-09 14:55     ` GFS Pekka J Enberg
2005-08-10  7:40     ` GFS Pekka J Enberg
2005-08-10  7:43       ` GFS Christoph Hellwig
2005-08-09 15:20 ` [PATCH 00/14] GFS Al Viro
2005-08-10  7:03   ` Christoph Hellwig
2005-08-10 10:30     ` Lars Marowsky-Bree
2005-08-10 10:32       ` Christoph Hellwig
2005-08-10 10:34         ` Lars Marowsky-Bree
2005-08-10 10:54           ` Christoph Hellwig
2005-08-10 11:02             ` Lars Marowsky-Bree
2005-08-10 11:05               ` Christoph Hellwig
2005-08-10 11:09                 ` Lars Marowsky-Bree
2005-08-10 11:11                   ` Christoph Hellwig
2005-08-10 13:26                     ` [Linux-cluster] " AJ Lewis
2005-08-10 15:43                       ` Kyle Moffett
2005-08-11  8:17 ` GFS - updated patches David Teigland
2005-08-11  8:21   ` [Linux-cluster] " Michael
2005-08-11  8:46     ` David Teigland
2005-08-11  8:49       ` Michael
2005-08-11  8:32   ` Arjan van de Ven
2005-08-11  8:50     ` David Teigland
2005-08-11  8:50       ` Arjan van de Ven
2005-08-11  9:16         ` David Teigland
2005-08-11 10:04           ` Pekka Enberg
2005-08-11  9:54   ` [Linux-cluster] " Michael
2005-08-11 10:00     ` Pekka Enberg
  -- strict thread matches above, loose matches on Subject: below --
2005-08-11  7:10 GFS Pekka J Enberg
2005-08-11 16:33 ` GFS Zach Brown
2005-08-11 16:35   ` GFS Christoph Hellwig
2005-08-11 16:39     ` GFS Zach Brown
2005-08-11 16:44   ` GFS Pekka Enberg

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