From: Dave Chinner <david@fromorbit.com>
To: Vladislav Bolkhovitin <vst@vlnb.net>
Cc: Gennadiy Nerubayev <parakie@gmail.com>,
James Bottomley <James.Bottomley@suse.de>,
Christof Schmitt <christof.schmitt@de.ibm.com>,
Boaz Harrosh <bharrosh@panasas.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-fsdevel@vger.kernel.org,
Chris Mason <chris.mason@oracle.com>
Subject: Re: Wrong DIF guard tag on ext2 write
Date: Sat, 24 Jul 2010 11:03:59 +1000 [thread overview]
Message-ID: <20100724010358.GO32635@dastard> (raw)
In-Reply-To: <4C49EA91.3060908@vlnb.net>
On Fri, Jul 23, 2010 at 11:16:33PM +0400, Vladislav Bolkhovitin wrote:
> It would be great if you prove or disprove our suspicions that Linux
> can produce several write requests for the same blocks
> simultaneously. To be sure we need:
Just use direct IO. Case in point is the concurrent sub-block
AIO-DIO data corruption we're chasing on XFS and ext4 at the moment
where we have two concurrent unaligned write IOs to the same
filesystem block:
http://oss.sgi.com/archives/xfs/2010-07/msg00278.html
Cheers,
Dave.
--
Dave Chinner
david@fromorbit.com
next prev parent reply other threads:[~2010-07-24 1:04 UTC|newest]
Thread overview: 96+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-31 11:28 Wrong DIF guard tag on ext2 write Christof Schmitt
2010-05-31 11:34 ` Christof Schmitt
2010-05-31 14:20 ` Martin K. Petersen
2010-05-31 14:46 ` Christof Schmitt
2010-06-01 13:16 ` Martin K. Petersen
2010-06-02 13:37 ` Christof Schmitt
2010-06-02 23:20 ` Dave Chinner
2010-06-04 1:34 ` Martin K. Petersen
2010-06-04 2:32 ` Dave Chinner
2010-06-07 16:20 ` Martin K. Petersen
2010-06-07 17:22 ` Boaz Harrosh
2010-06-07 17:40 ` Martin K. Petersen
2010-06-08 7:15 ` Christof Schmitt
2010-06-08 8:47 ` Dave Chinner
2010-06-08 8:52 ` Nick Piggin
2010-05-31 14:49 ` Nick Piggin
2010-06-01 13:17 ` Martin K. Petersen
2010-05-31 15:01 ` James Bottomley
2010-05-31 15:30 ` Boaz Harrosh
2010-05-31 15:49 ` Nick Piggin
2010-05-31 16:25 ` Boaz Harrosh
2010-06-01 13:22 ` Martin K. Petersen
2010-06-01 10:30 ` Christof Schmitt
2010-06-01 10:49 ` Boaz Harrosh
2010-06-01 13:03 ` Chris Mason
2010-06-01 13:50 ` Christof Schmitt
2010-06-01 13:50 ` Christof Schmitt
2010-06-01 13:50 ` Christof Schmitt
2010-06-01 13:58 ` Chris Mason
2010-06-08 7:18 ` Christof Schmitt
2010-06-08 7:18 ` Christof Schmitt
2010-06-08 7:18 ` Christof Schmitt
2010-06-01 14:26 ` Nick Piggin
2010-06-01 13:27 ` James Bottomley
2010-06-01 13:33 ` Chris Mason
2010-06-01 13:40 ` James Bottomley
2010-06-01 13:49 ` Chris Mason
2010-06-01 16:29 ` Matthew Wilcox
2010-06-01 16:29 ` Matthew Wilcox
2010-06-01 16:29 ` Matthew Wilcox
2010-06-01 16:47 ` Chris Mason
2010-06-01 16:54 ` James Bottomley
2010-06-01 18:09 ` Chris Mason
2010-06-01 18:46 ` Nick Piggin
2010-06-01 18:46 ` Nick Piggin
2010-06-01 18:46 ` Nick Piggin
2010-06-01 19:35 ` Chris Mason
2010-06-02 3:20 ` Nick Piggin
2010-06-02 3:20 ` Nick Piggin
2010-06-02 13:17 ` Martin K. Petersen
2010-06-02 13:41 ` Nick Piggin
2010-06-03 15:46 ` Chris Mason
2010-06-03 16:27 ` Nick Piggin
2010-06-03 16:27 ` Nick Piggin
2010-06-03 16:27 ` Nick Piggin
2010-06-04 1:46 ` Martin K. Petersen
2010-06-04 3:09 ` Nick Piggin
2010-06-04 2:02 ` Dave Chinner
2010-06-04 15:32 ` Jan Kara
2010-06-04 2:02 ` Dave Chinner
2010-06-04 2:02 ` Dave Chinner
2010-06-04 1:30 ` Martin K. Petersen
2010-06-02 3:20 ` Nick Piggin
2010-06-01 21:07 ` James Bottomley
2010-06-01 22:49 ` Chris Mason
2010-06-01 13:50 ` Martin K. Petersen
2010-06-01 14:28 ` Nick Piggin
2010-06-01 14:32 ` James Bottomley
2010-06-01 14:54 ` Martin K. Petersen
2010-06-03 11:20 ` Vladislav Bolkhovitin
2010-06-03 12:07 ` Boaz Harrosh
2010-06-03 12:41 ` Vladislav Bolkhovitin
2010-06-03 12:46 ` Vladislav Bolkhovitin
2010-06-09 15:58 ` Vladislav Bolkhovitin
2010-06-03 13:06 ` Boaz Harrosh
2010-06-03 13:23 ` Vladislav Bolkhovitin
2010-07-23 17:59 ` Gennadiy Nerubayev
2010-07-23 17:59 ` Gennadiy Nerubayev
2010-07-23 19:16 ` Vladislav Bolkhovitin
2010-07-23 20:51 ` Gennadiy Nerubayev
2010-07-26 12:22 ` Vladislav Bolkhovitin
2010-07-26 17:00 ` Gennadiy Nerubayev
2010-07-26 19:26 ` Vladislav Bolkhovitin
2010-07-24 1:03 ` Dave Chinner [this message]
2010-06-01 2:40 ` FUJITA Tomonori
2010-06-03 16:09 ` [LFS/VM TOPIC] Stable pages while IO (was Wrong DIF guard tag on ext2 write) Boaz Harrosh
2010-06-03 16:09 ` Boaz Harrosh
2010-06-03 16:09 ` Boaz Harrosh
2010-06-03 16:30 ` [Lsf10-pc] " J. Bruce Fields
2010-06-03 17:41 ` Vladislav Bolkhovitin
2010-06-04 16:23 ` Jan Kara
2010-06-04 16:30 ` [Lsf10-pc] " J. Bruce Fields
2010-06-04 17:11 ` Jan Kara
2010-06-06 9:35 ` Boaz Harrosh
2010-06-06 23:37 ` Jan Kara
2010-06-07 8:30 ` Boaz Harrosh
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