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|---|---|
| From | Christoph Hellwig <hch@infradead.org> |
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v3 1/2] ext4: Pass in DIO_SKIP_DIO_COUNT flag if inode_dio_begin() called |
| Date | Wed, 20 Apr 2016 23:00:03 +0200 |
| Message-ID | <rq7o7-5F5-27@gated-at.bofh.it> (permalink) |
| References | <rnb4R-3n3-11@gated-at.bofh.it> <rnb4R-3n3-9@gated-at.bofh.it> |
| X-Original-To | Waiman Long <Waiman.Long@hpe.com> |
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| X-Original-Cc | Theodore Ts'o <tytso@mit.edu>, Andreas Dilger <adilger.kernel@dilger.ca>, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, Tejun Heo <tj@kernel.org>, Christoph Lameter <cl@linux.com>, Scott J Norton <scott.norton@hpe.com>, Douglas Hatch <doug.hatch@hpe.com>, Toshimitsu Kani <toshi.kani@hpe.com> |
| X-Original-Date | Wed, 20 Apr 2016 13:58:01 -0700 |
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| Xref | csiph.com linux.kernel:1383742 |
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FYI, none of the Dax code even needs to ever touch the dio_count, as dax I/O can't be asynchronous, and we thus don't need it to protect against truncate. I'd suggest to remove it and then end_io callback from the DAX code entirely as a start and then move from there.
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Re: [PATCH v3 1/2] ext4: Pass in DIO_SKIP_DIO_COUNT flag if inode_dio_begin() called Christoph Hellwig <hch@infradead.org> - 2016-04-20 23:00 +0200
Re: [PATCH v3 1/2] ext4: Pass in DIO_SKIP_DIO_COUNT flag if inode_dio_begin() called Waiman Long <waiman.long@hpe.com> - 2016-04-21 20:20 +0200
Re: [PATCH v3 1/2] ext4: Pass in DIO_SKIP_DIO_COUNT flag if inode_dio_begin() called Christoph Hellwig <hch@infradead.org> - 2016-04-25 13:50 +0200
Re: [PATCH v3 1/2] ext4: Pass in DIO_SKIP_DIO_COUNT flag if inode_dio_begin() called Waiman Long <waiman.long@hpe.com> - 2016-04-26 18:40 +0200
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