From mboxrd@z Thu Jan 1 00:00:00 1970 From: Logan Gunthorpe Subject: Re: [PATCH 02/22] nvmet: Make use of the new sg_map helper function Date: Thu, 13 Apr 2017 23:06:16 -0600 Message-ID: <4df3e41b-591e-a500-a428-4bc529224030@deltatee.com> References: <1492121135-4437-1-git-send-email-logang@deltatee.com> <1492121135-4437-3-git-send-email-logang@deltatee.com> <20170414045951.GA22206@lst.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20170414045951.GA22206-jcswGhMUV9g@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-nvdimm-bounces-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org Sender: "Linux-nvdimm" To: Christoph Hellwig Cc: Steve Wise , linux-nvme-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, target-devel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Sumit Semwal , devel-gWbeCf7V1WCQmaza687I9mD2FQJk+8+b@public.gmane.org, rds-devel-N0ozoZBvEnrZJqsBc5GL+g@public.gmane.org, linux-scsi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Matthew Wilcox , linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, fcoe-devel-s9riP+hp16TNLxjTenLetw@public.gmane.org, open-iscsi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org, linux-media-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Ming Lin , intel-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, sparmaintainer-GLv8BlqOqDDQT0dZR+AlfA@public.gmane.org, linux-raid-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, megaraidlinux.pdl-dY08KVG/lbpWk0Htik3J/w@public.gmane.org, Jens Axboe , linaro-mm-sig-cunTk1MwBs8s++Sfvej+rw@public.gmane.org, "Martin K. Petersen" , Greg Kroah-Hartman , linux-nvdimm-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org, linux-mmc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-crypto-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Tejun Heo List-Id: linux-mmc@vger.kernel.org On 13/04/17 10:59 PM, Christoph Hellwig wrote: > On Thu, Apr 13, 2017 at 04:05:15PM -0600, Logan Gunthorpe wrote: >> This is a straight forward conversion in two places. Should kmap fail, >> the code will return an INVALD_DATA error in the completion. > > It really should be using nvmet_copy_from_sgl to make things safer, > as we don't want to rely on any particular SG list layout. In fact > I'm pretty sure I did the conversion at some point, but it must never > have made it upstream. Ha, I did the conversion too a couple times for my RFC series. I can change this patch to do that. Or maybe I'll just send a patch for that separately seeing it doesn't depend on anything and is pretty simple. I can do that next week. Thanks, Logan