From mboxrd@z Thu Jan 1 00:00:00 1970 From: bfields-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org (J. Bruce Fields) Subject: Re: [PATCH v2 19/19] sunrpc: Disable splice for krb5i Date: Tue, 20 Jun 2017 15:41:45 -0400 Message-ID: <20170620194145.GD13008@fieldses.org> References: <20170616151535.14210.34926.stgit@klimt.1015granger.net> <20170616152254.14210.48071.stgit@klimt.1015granger.net> <1497693712.4684.4.camel@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1497693712.4684.4.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> Sender: linux-nfs-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Jeff Layton Cc: Chuck Lever , linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-nfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-rdma@vger.kernel.org On Sat, Jun 17, 2017 at 06:01:52AM -0400, Jeff Layton wrote: > This seems like the right thing to do, IMO. It's nice to avoid copies > where we can, but this is just one of the places where we can't, at > least with the way things stand now. It is a pity we don't have a way to > CoW these things though. We have to run all the data through CPU anyway for the checksum, so I guess what I was thinking we could do--if we decided we needed the optimization--was to figure out how to copy and checksum (or encrypt) simultaneously in one pass. --b. -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html