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
next prev parent 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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