Re: [PATCH v2 14/22] PCI/P2PDMA: Introduce helpers for dma_map_sg implementations

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To: Logan Gunthorpe <logang@xxxxxxxxxxxx>
Subject: Re: [PATCH v2 14/22] PCI/P2PDMA: Introduce helpers for dma_map_sg implementations
From: Christoph Hellwig <hch@xxxxxx>
Date: Fri, 14 May 2021 15:53:31 +0200
Cc: linux-kernel@xxxxxxxxxxxxxxx, linux-nvme@xxxxxxxxxxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, linux-pci@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx, Stephen Bates <sbates@xxxxxxxxxxxx>, Christoph Hellwig <hch@xxxxxx>, Dan Williams <dan.j.williams@xxxxxxxxx>, Jason Gunthorpe <jgg@xxxxxxxx>, Christian König <christian.koenig@xxxxxxx>, John Hubbard <jhubbard@xxxxxxxxxx>, Don Dutile <ddutile@xxxxxxxxxx>, Matthew Wilcox <willy@xxxxxxxxxxxxx>, Daniel Vetter <daniel.vetter@xxxxxxxx>, Jakowski Andrzej <andrzej.jakowski@xxxxxxxxx>, Minturn Dave B <dave.b.minturn@xxxxxxxxx>, Jason Ekstrand <jason@xxxxxxxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, Xiong Jianxin <jianxin.xiong@xxxxxxxxx>, Bjorn Helgaas <helgaas@xxxxxxxxxx>, Ira Weiny <ira.weiny@xxxxxxxxx>, Robin Murphy <robin.murphy@xxxxxxx>
In-reply-to: <20210513223203.5542-15-logang@deltatee.com>
References: <20210513223203.5542-1-logang@deltatee.com> <20210513223203.5542-15-logang@deltatee.com>
User-agent: Mutt/1.5.17 (2007-11-01)

I think helpers for the dma mapping implementation should probably
go into dma-map-ops.h so that the header for the public API doesn't get
polluted with them.

Follow-Ups:
- Re: [PATCH v2 14/22] PCI/P2PDMA: Introduce helpers for dma_map_sg implementations
  - From: Logan Gunthorpe

References:
- [PATCH v2 00/22] Add new DMA mapping operation for P2PDMA
  - From: Logan Gunthorpe
- [PATCH v2 14/22] PCI/P2PDMA: Introduce helpers for dma_map_sg implementations
  - From: Logan Gunthorpe

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