From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: remove REQ_OP_WRITE_SAME Date: Fri, 5 May 2017 10:57:13 +0200 Message-ID: <20170505085713.GA5008@lst.de> References: <20170412084809.8245-1-hch@lst.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: drbd-dev-bounces-cunTk1MwBs8qoQakbn7OcQ@public.gmane.org Errors-To: drbd-dev-bounces-cunTk1MwBs8qoQakbn7OcQ@public.gmane.org To: "Martin K. Petersen" Cc: axboe-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org, linux-scsi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, philipp.reisner-63ez5xqkn6DQT0dZR+AlfA@public.gmane.org, linux-block-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, dm-devel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, target-devel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, lars.ellenberg-63ez5xqkn6DQT0dZR+AlfA@public.gmane.org, Christoph Hellwig , drbd-dev-cunTk1MwBs8qoQakbn7OcQ@public.gmane.org List-Id: dm-devel.ids On Thu, Apr 13, 2017 at 10:23:10PM -0400, Martin K. Petersen wrote: > The other thing that keeps me a bit on the fence is that a bunch of the > plumbing to handle a bio with a payload different from bi_size is needed > for the copy offload token. I'm hoping to have those patches ready for > 4.13. Right now there are a bunch of places where handling of > REQ_OP_COPY_IN and REQ_OP_COPY_OUT share conditionals with WRITE SAME. Any chance to get a sneak preview of that work? From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Fri, 5 May 2017 10:57:13 +0200 From: Christoph Hellwig To: "Martin K. Petersen" Cc: Christoph Hellwig , axboe@kernel.dk, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, target-devel@vger.kernel.org, linux-block@vger.kernel.org, linux-scsi@vger.kernel.org, drbd-dev@lists.linbit.com, dm-devel@redhat.com Subject: Re: remove REQ_OP_WRITE_SAME Message-ID: <20170505085713.GA5008@lst.de> References: <20170412084809.8245-1-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: List-ID: On Thu, Apr 13, 2017 at 10:23:10PM -0400, Martin K. Petersen wrote: > The other thing that keeps me a bit on the fence is that a bunch of the > plumbing to handle a bio with a payload different from bi_size is needed > for the copy offload token. I'm hoping to have those patches ready for > 4.13. Right now there are a bunch of places where handling of > REQ_OP_COPY_IN and REQ_OP_COPY_OUT share conditionals with WRITE SAME. Any chance to get a sneak preview of that work? From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from newverein.lst.de (verein.lst.de [213.95.11.211]) by mail09.linbit.com (LINBIT Mail Daemon) with ESMTP id CB0B41057FCB for ; Fri, 5 May 2017 10:57:14 +0200 (CEST) Date: Fri, 5 May 2017 10:57:13 +0200 From: Christoph Hellwig To: "Martin K. Petersen" Message-ID: <20170505085713.GA5008@lst.de> References: <20170412084809.8245-1-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Cc: axboe@kernel.dk, linux-scsi@vger.kernel.org, philipp.reisner@linbit.com, linux-block@vger.kernel.org, dm-devel@redhat.com, target-devel@vger.kernel.org, lars.ellenberg@linbit.com, Christoph Hellwig , drbd-dev@lists.linbit.com Subject: Re: [Drbd-dev] remove REQ_OP_WRITE_SAME List-Id: "*Coordination* of development, patches, contributions -- *Questions* \(even to developers\) go to drbd-user, please." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Thu, Apr 13, 2017 at 10:23:10PM -0400, Martin K. Petersen wrote: > The other thing that keeps me a bit on the fence is that a bunch of the > plumbing to handle a bio with a payload different from bi_size is needed > for the copy offload token. I'm hoping to have those patches ready for > 4.13. Right now there are a bunch of places where handling of > REQ_OP_COPY_IN and REQ_OP_COPY_OUT share conditionals with WRITE SAME. Any chance to get a sneak preview of that work?