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From: Boaz Harrosh <boaz@plexistor.com>
To: Christoph Hellwig <hch@lst.de>, Dave Chinner <david@fromorbit.com>
Cc: xfs@oss.sgi.com, linux-fsdevel@vger.kernel.org, linux-nvdimm@ml01.01.org
Subject: Re: xfs: untangle the direct I/O and DAX path, fix DAX locking
Date: Tue, 28 Jun 2016 16:27:03 +0300
Message-ID: <57727B27.7060104@plexistor.com> (raw)
In-Reply-To: <20160628131059.GA30475@lst.de>

On 06/28/2016 04:10 PM, Christoph Hellwig wrote:
> On Sat, Jun 25, 2016 at 09:00:45AM +1000, Dave Chinner wrote:
<>
> 
> Right.  And an existing application can get DAX turned on under its
> back, and will now suddently get different synchronization behavior.
> That is if it's writes happen to be aligned to the fs block size.
> 

Is there an actual application that does that? or is this purely
theoretical right now?


Thanks
Boaz


  reply index

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-22 15:27 Christoph Hellwig
2016-06-22 15:27 ` [PATCH 1/8] xfs: don't pass ioflags around in the ioctl path Christoph Hellwig
2016-06-22 15:27 ` [PATCH 2/8] xfs: kill ioflags Christoph Hellwig
2016-06-22 15:27 ` [PATCH 3/8] xfs: remove s_maxbytes enforcement in xfs_file_read_iter Christoph Hellwig
2016-06-22 15:27 ` [PATCH 4/8] xfs: split xfs_file_read_iter into buffered and direct I/O helpers Christoph Hellwig
2016-06-22 15:27 ` [PATCH 5/8] xfs: stop using generic_file_read_iter for direct I/O Christoph Hellwig
2016-06-22 15:27 ` [PATCH 6/8] xfs: direct calls in the direct I/O path Christoph Hellwig
2016-06-22 15:27 ` [PATCH 7/8] xfs: split direct I/O and DAX path Christoph Hellwig
2016-09-29  2:53   ` Darrick J. Wong
2016-09-29  8:38     ` aio completions vs file_accessed race, was: " Christoph Hellwig
2016-09-29 20:18       ` Christoph Hellwig
2016-09-29 20:18         ` Christoph Hellwig
2016-09-29 20:33           ` Darrick J. Wong
2016-06-22 15:27 ` [PATCH 8/8] xfs: fix locking for DAX writes Christoph Hellwig
2016-06-23 14:22   ` Boaz Harrosh
2016-06-23 23:24 ` xfs: untangle the direct I/O and DAX path, fix DAX locking Dave Chinner
2016-06-24  1:14   ` Dan Williams
2016-06-24  7:13     ` Dave Chinner
2016-06-24  7:31       ` Christoph Hellwig
2016-06-24  7:26   ` Christoph Hellwig
2016-06-24 23:00     ` Dave Chinner
2016-06-28 13:10       ` Christoph Hellwig
2016-06-28 13:27         ` Boaz Harrosh [this message]
2016-06-28 13:39           ` Christoph Hellwig
2016-06-28 13:56             ` Boaz Harrosh
2016-06-28 15:39               ` Christoph Hellwig
2016-06-29 12:23                 ` Boaz Harrosh

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