Re: [PATCH 09/22] dm-crypt: Make use of the new sg_map helper in 4 call sites

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To: Logan Gunthorpe <logang@xxxxxxxxxxxx>
Subject: Re: [PATCH 09/22] dm-crypt: Make use of the new sg_map helper in 4 call sites
From: Christoph Hellwig <hch@xxxxxx>
Date: Fri, 14 Apr 2017 10:39:21 +0200
Cc: Steve Wise <swise@xxxxxxxxxxxxxxxxxxxxx>, linux-nvme@xxxxxxxxxxxxxxxxxxx, Stephen Bates <sbates@xxxxxxxxxxxx>, target-devel@xxxxxxxxxxxxxxx, Sumit Semwal <sumit.semwal@xxxxxxxxxx>, devel@xxxxxxxxxxxxxxxxxxxx, rds-devel@xxxxxxxxxxxxxx, Sagi Grimberg <sagi@xxxxxxxxxxx>, linux-scsi@xxxxxxxxxxxxxxx, Matthew Wilcox <mawilcox@xxxxxxxxxxxxx>, linux-rdma@xxxxxxxxxxxxxxx, Christoph Hellwig <hch@xxxxxx>, fcoe-devel@xxxxxxxxxxxxx, Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx>, open-iscsi@xxxxxxxxxxxxxxxx, linux-media@xxxxxxxxxxxxxxx, Ming Lin <ming.l@xxxxxxxxxxxxxxx>, intel-gfx@xxxxxxxxxxxxxxxxxxxxx, sparmaintainer@xxxxxxxxxx, linux-raid@xxxxxxxxxxxxxxx, dri-devel@xxxxxxxxxxxxxxxxxxxxx, Dan Williams <dan.j.williams@xxxxxxxxx>, megaraidlinux.pdl@xxxxxxxxxxxx, Jens Axboe <axboe@xxxxxxxxx>, linaro-mm-sig@xxxxxxxxxxxxxxxx, "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>, linux-nvdimm@xxxxxxxxxxx, linux-mmc@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-crypto@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, Tejun Heo <tj@xxxxxxxxxx>
In-reply-to: <1492121135-4437-10-git-send-email-logang@deltatee.com>
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On Thu, Apr 13, 2017 at 04:05:22PM -0600, Logan Gunthorpe wrote:
> Very straightforward conversion to the new function in all four spots.

I think the right fix here is to switch dm-crypt to the ahash API
that takes a scatterlist.
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Follow-Ups:
- Re: [PATCH 09/22] dm-crypt: Make use of the new sg_map helper in 4 call sites
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References:
- [PATCH 00/22] Introduce common scatterlist map function
  - From: Logan Gunthorpe
- [PATCH 09/22] dm-crypt: Make use of the new sg_map helper in 4 call sites
  - From: Logan Gunthorpe

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