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From: Christoph Hellwig <hch@lst.de>
To: Jason Gunthorpe <jgg@nvidia.com>
Cc: Matthew Wilcox <willy@infradead.org>,
	linux-kernel@vger.kernel.org, Christoph Hellwig <hch@lst.de>,
	Joao Martins <joao.m.martins@oracle.com>,
	John Hubbard <jhubbard@nvidia.com>,
	Logan Gunthorpe <logang@deltatee.com>,
	Ming Lei <ming.lei@redhat.com>,
	linux-block@vger.kernel.org, netdev@vger.kernel.org,
	linux-mm@kvack.org, linux-rdma@vger.kernel.org,
	dri-devel@lists.freedesktop.org, nvdimm@lists.linux.dev
Subject: Re: Phyr Starter
Date: Thu, 20 Jan 2022 15:00:47 +0100	[thread overview]
Message-ID: <20220120140047.GB11223@lst.de> (raw)
In-Reply-To: <20220111150142.GL2328285@nvidia.com>

On Tue, Jan 11, 2022 at 11:01:42AM -0400, Jason Gunthorpe wrote:
> Then we are we using get_user_phyr() at all if we are just storing it
> in a sg?

I think we need to stop calling the output of the phyr dma map
helper a sg.  Yes, a { dma_addr, len } tuple is scatter/gather I/O in its
purest form, but it will need a different name in Linux as the scatterlist
will have to stay around for a long time before all that mess is cleaned
up.

  parent reply	other threads:[~2022-01-20 14:00 UTC|newest]

Thread overview: 62+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-10 19:34 Phyr Starter Matthew Wilcox
2022-01-10 19:34 ` Matthew Wilcox
2022-01-11  0:41 ` Jason Gunthorpe
2022-01-11  0:41   ` Jason Gunthorpe
2022-01-11  4:32   ` Matthew Wilcox
2022-01-11  4:32     ` Matthew Wilcox
2022-01-11 15:01     ` Jason Gunthorpe
2022-01-11 15:01       ` Jason Gunthorpe
2022-01-11 18:33       ` Matthew Wilcox
2022-01-11 18:33         ` Matthew Wilcox
2022-01-11 20:21         ` Jason Gunthorpe
2022-01-11 20:21           ` Jason Gunthorpe
2022-01-11 21:25           ` Matthew Wilcox
2022-01-11 21:25             ` Matthew Wilcox
2022-01-11 22:09             ` Logan Gunthorpe
2022-01-11 22:09               ` Logan Gunthorpe
2022-01-11 22:57               ` Jason Gunthorpe
2022-01-11 22:57                 ` Jason Gunthorpe
2022-01-11 23:02                 ` Logan Gunthorpe
2022-01-11 23:02                   ` Logan Gunthorpe
2022-01-11 22:53             ` Jason Gunthorpe
2022-01-11 22:53               ` Jason Gunthorpe
2022-01-11 22:57               ` Logan Gunthorpe
2022-01-11 22:57                 ` Logan Gunthorpe
2022-01-11 23:02                 ` Jason Gunthorpe
2022-01-11 23:02                   ` Jason Gunthorpe
2022-01-11 23:08                   ` Logan Gunthorpe
2022-01-11 23:08                     ` Logan Gunthorpe
2022-01-12 18:37               ` Matthew Wilcox
2022-01-12 18:37                 ` Matthew Wilcox
2022-01-12 19:08                 ` Jason Gunthorpe
2022-01-12 19:08                   ` Jason Gunthorpe
2022-01-20 14:03                 ` Christoph Hellwig
2022-01-20 17:17                   ` Jason Gunthorpe
2022-01-20 17:17                     ` Jason Gunthorpe
2022-01-20 14:00       ` Christoph Hellwig [this message]
2022-01-11  9:05   ` Daniel Vetter
2022-01-11  9:05     ` Daniel Vetter
2022-01-11 20:26     ` Jason Gunthorpe
2022-01-11 20:26       ` Jason Gunthorpe
2022-01-20 14:09       ` Christoph Hellwig
2022-01-20 13:56   ` Christoph Hellwig
2022-01-20 15:27     ` Keith Busch
2022-01-20 15:27       ` Keith Busch
2022-01-20 15:28       ` Christoph Hellwig
2022-01-20 17:54       ` Robin Murphy
2022-01-11  8:17 ` John Hubbard
2022-01-11  8:17   ` John Hubbard
2022-01-11 14:01   ` Matthew Wilcox
2022-01-11 14:01     ` Matthew Wilcox
2022-01-11 15:02     ` Jason Gunthorpe
2022-01-11 15:02       ` Jason Gunthorpe
2022-01-11 17:31   ` Logan Gunthorpe
2022-01-11 17:31     ` Logan Gunthorpe
2022-01-20 14:12   ` Christoph Hellwig
2022-01-20 21:35     ` John Hubbard
2022-01-20 21:35       ` John Hubbard
2022-01-11 11:40 ` Thomas Zimmermann
2022-01-11 13:56   ` Matthew Wilcox
2022-01-11 13:56     ` Matthew Wilcox
2022-01-11 14:10     ` Thomas Zimmermann
2022-01-20 13:39 ` Christoph Hellwig

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