From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Kani, Toshimitsu" Subject: Re: [PATCH v3 05/14] dm: add ->flush() dax operation support Date: Thu, 15 Jun 2017 01:44:54 +0000 Message-ID: <1497491062.9288.19.camel@hpe.com> References: <149703982465.20620.14881139332926778446.stgit@dwillia2-desk3.amr.corp.intel.com> <149703985321.20620.13954624502810597823.stgit@dwillia2-desk3.amr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <149703985321.20620.13954624502810597823.stgit-p8uTFz9XbKj2zm6wflaqv1nYeNYlB/vhral2JQCrhuEAvxtiuMwx3w@public.gmane.org> Content-Language: en-US Content-ID: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-nvdimm-bounces-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org Sender: "Linux-nvdimm" To: "dan.j.williams-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org" , "linux-nvdimm-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org" Cc: "snitzer-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org" , "x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org" , "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "dm-devel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org" , "viro-RmSDqhL/yNMiFSDQTTA3OLVCufUGDwFn@public.gmane.org" , "linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "hch-jcswGhMUV9g@public.gmane.org" List-Id: dm-devel.ids On Fri, 2017-06-09 at 13:24 -0700, Dan Williams wrote: > Allow device-mapper to route flush operations to the > per-target implementation. In order for the device stacking to work > we need a dax_dev and a pgoff relative to that device. This gives > each layer of the stack the information it needs to look up the > operation pointer for the next level. > > This conceptually allows for an array of mixed device drivers with > varying flush implementations. > > Cc: Toshi Kani > Reviewed-by: Mike Snitzer > Signed-off-by: Dan Williams Looks good to me. Reviewed-by: Toshi Kani Thanks, -Toshi