From: Christoph Hellwig <hch@infradead.org>
To: Sagi Grimberg <sagi@grimberg.me>
Cc: Christoph Hellwig <hch@infradead.org>,
Dave Chinner <david@fromorbit.com>,
jgunthorpe@obsidianresearch.com, sbates@raithin.com, "Raj,
Ashok" <ashok.raj@intel.com>,
haggaie@mellanox.com, linux-rdma@vger.kernel.org,
"linux-nvdimm@lists.01.org" <linux-nvdimm@ml01.01.org>,
Jonathan Corbet <corbet@lwn.net>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
jim.macdonald@everspin.com, Stephen Bates <sbates@raithlin.com>,
linux-block@vger.kernel.org, Linux MM <linux-mm@kvack.org>,
Jens Axboe <axboe@fb.com>, David Woodhouse <dwmw2@infradead.org>
Subject: Re: [PATCH 0/3] iopmem : A block device for PCIe memory
Date: Thu, 27 Oct 2016 05:32:19 -0700 [thread overview]
Message-ID: <20161027123219.GA757@infradead.org> (raw)
In-Reply-To: <76e957c9-8002-5a46-8111-269bb0401718@grimberg.me>
On Thu, Oct 27, 2016 at 01:22:49PM +0300, Sagi Grimberg wrote:
> Christoph, did you manage to leap to the future and solve the
> RDMA persistency hole? :)
>
> e.g. what happens with O_DSYNC in this model? Or you did
> a message exchange for commits?
Yes, pNFS calls this the layoutcommit. That being said once we get a RDMA
commit or flush operation we could easily make the layoutcommit optional
for some operations. There already is a precedence for the in the
flexfiles layout specification.
next prev parent reply other threads:[~2016-10-27 13:50 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-18 21:42 [PATCH 0/3] iopmem : A block device for PCIe memory Stephen Bates
2016-10-18 21:42 ` [PATCH 1/3] memremap.c : Add support for ZONE_DEVICE IO memory with struct pages Stephen Bates
2016-10-19 17:50 ` Dan Williams
2016-10-19 18:40 ` Stephen Bates
2016-10-19 20:01 ` Dan Williams
2016-10-25 11:54 ` Stephen Bates
2016-10-18 21:42 ` [PATCH 2/3] iopmem : Add a block device driver for PCIe attached IO memory Stephen Bates
2016-10-28 6:45 ` Christoph Hellwig
2016-10-28 19:22 ` Logan Gunthorpe
2016-10-18 21:42 ` [PATCH 3/3] iopmem : Add documentation for iopmem driver Stephen Bates
2016-10-28 6:46 ` Christoph Hellwig
2016-10-19 3:51 ` [PATCH 0/3] iopmem : A block device for PCIe memory Dan Williams
2016-10-19 18:48 ` Stephen Bates
2016-10-19 19:58 ` Dan Williams
2016-10-19 22:54 ` Stephen Bates
2016-10-20 23:22 ` Dave Chinner
2016-10-21 9:57 ` Christoph Hellwig
2016-10-21 11:12 ` Dave Chinner
2016-10-25 11:50 ` Stephen Bates
2016-10-25 21:19 ` Dave Chinner
2016-11-06 14:05 ` Stephen Bates
2016-10-27 10:22 ` Sagi Grimberg
2016-10-27 12:32 ` Christoph Hellwig [this message]
2016-10-26 8:24 ` Haggai Eran
2016-10-26 13:39 ` Dan Williams
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