From mboxrd@z Thu Jan 1 00:00:00 1970 From: Boaz Harrosh Subject: Re: xfs: untangle the direct I/O and DAX path, fix DAX locking Date: Tue, 28 Jun 2016 16:27:03 +0300 Message-ID: <57727B27.7060104@plexistor.com> References: <1466609236-23801-1-git-send-email-hch@lst.de> <20160623232446.GA12670@dastard> <20160624072612.GA22205@lst.de> <20160624230045.GG12670@dastard> <20160628131059.GA30475@lst.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20160628131059.GA30475-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 , Dave Chinner Cc: linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-nvdimm-y27Ovi1pjclAfugRpC6u6w@public.gmane.org, xfs-VZNHf3L845pBDgjK7y7TUQ@public.gmane.org List-Id: linux-nvdimm@lists.01.org On 06/28/2016 04:10 PM, Christoph Hellwig wrote: > On Sat, Jun 25, 2016 at 09:00:45AM +1000, Dave Chinner wrote: <> > > Right. And an existing application can get DAX turned on under its > back, and will now suddently get different synchronization behavior. > That is if it's writes happen to be aligned to the fs block size. > Is there an actual application that does that? or is this purely theoretical right now? Thanks Boaz