From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: [LSF/MM TOPIC] Future direction of DAX Date: Tue, 17 Jan 2017 07:06:38 -0800 Message-ID: <20170117150638.GA3747@infradead.org> References: <20170114002008.GA25379@linux.intel.com> <20170114082621.GC10498@birch.djwong.org> <20170117015033.GD10498@birch.djwong.org> <20170117075735.GB19654@infradead.org> 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: , Errors-To: linux-nvdimm-bounces-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org Sender: "Linux-nvdimm" To: Jeff Moyer Cc: linux-block-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, "Darrick J. Wong" , linux-nvdimm-y27Ovi1pjclAfugRpC6u6w@public.gmane.org, Christoph Hellwig , linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org, linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, lsf-pc-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org List-Id: linux-nvdimm@lists.01.org On Tue, Jan 17, 2017 at 09:54:27AM -0500, Jeff Moyer wrote: > I spoke with Dave before the holidays, and he indicated that > PMEM_IMMUTABLE would be an acceptable solution to allowing applications > to flush data completely from userspace. I know this subject has been > beaten to death, but would you mind just summarizing your opinion on > this one more time? I'm guessing this will be something more easily > hashed out at LSF, though. Come up with a prototype that doesn't suck and allows all fs features to actually work. And show an application that actually cares and shows benefits on publicly available real hardware. Until then go away and stop wasting everyones time. From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from bombadil.infradead.org ([198.137.202.9]:50398 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750849AbdAQPHT (ORCPT ); Tue, 17 Jan 2017 10:07:19 -0500 Date: Tue, 17 Jan 2017 07:06:38 -0800 From: Christoph Hellwig To: Jeff Moyer Cc: Christoph Hellwig , "Darrick J. Wong" , Ross Zwisler , lsf-pc@lists.linux-foundation.org, linux-fsdevel@vger.kernel.org, linux-nvdimm@ml01.01.org, linux-block@vger.kernel.org, linux-mm@kvack.org Subject: Re: [LSF/MM TOPIC] Future direction of DAX Message-ID: <20170117150638.GA3747@infradead.org> References: <20170114002008.GA25379@linux.intel.com> <20170114082621.GC10498@birch.djwong.org> <20170117015033.GD10498@birch.djwong.org> <20170117075735.GB19654@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: Sender: linux-block-owner@vger.kernel.org List-Id: linux-block@vger.kernel.org On Tue, Jan 17, 2017 at 09:54:27AM -0500, Jeff Moyer wrote: > I spoke with Dave before the holidays, and he indicated that > PMEM_IMMUTABLE would be an acceptable solution to allowing applications > to flush data completely from userspace. I know this subject has been > beaten to death, but would you mind just summarizing your opinion on > this one more time? I'm guessing this will be something more easily > hashed out at LSF, though. Come up with a prototype that doesn't suck and allows all fs features to actually work. And show an application that actually cares and shows benefits on publicly available real hardware. Until then go away and stop wasting everyones time. From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Tue, 17 Jan 2017 07:06:38 -0800 From: Christoph Hellwig To: Jeff Moyer Cc: Christoph Hellwig , "Darrick J. Wong" , Ross Zwisler , lsf-pc@lists.linux-foundation.org, linux-fsdevel@vger.kernel.org, linux-nvdimm@ml01.01.org, linux-block@vger.kernel.org, linux-mm@kvack.org Subject: Re: [LSF/MM TOPIC] Future direction of DAX Message-ID: <20170117150638.GA3747@infradead.org> References: <20170114002008.GA25379@linux.intel.com> <20170114082621.GC10498@birch.djwong.org> <20170117015033.GD10498@birch.djwong.org> <20170117075735.GB19654@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: owner-linux-mm@kvack.org List-ID: On Tue, Jan 17, 2017 at 09:54:27AM -0500, Jeff Moyer wrote: > I spoke with Dave before the holidays, and he indicated that > PMEM_IMMUTABLE would be an acceptable solution to allowing applications > to flush data completely from userspace. I know this subject has been > beaten to death, but would you mind just summarizing your opinion on > this one more time? I'm guessing this will be something more easily > hashed out at LSF, though. Come up with a prototype that doesn't suck and allows all fs features to actually work. And show an application that actually cares and shows benefits on publicly available real hardware. Until then go away and stop wasting everyones time. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org