From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga14.intel.com ([192.55.52.115]:43108 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751646AbeEWQNU (ORCPT ); Wed, 23 May 2018 12:13:20 -0400 Date: Wed, 23 May 2018 10:13:19 -0600 From: Ross Zwisler To: Dan Williams Cc: linux-nvdimm@lists.01.org, Ross Zwisler , Mike Snitzer , Christoph Hellwig , linux-kernel@vger.kernel.org, tony.luck@intel.com, linux-fsdevel@vger.kernel.org Subject: Re: [PATCH v3 6/9] dax: introduce a ->copy_to_iter dax operation Message-ID: <20180523161319.GA29519@linux.intel.com> References: <152539236455.31796.7516599166555186700.stgit@dwillia2-desk3.amr.corp.intel.com> <152539239729.31796.4765429575408958580.stgit@dwillia2-desk3.amr.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <152539239729.31796.4765429575408958580.stgit@dwillia2-desk3.amr.corp.intel.com> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: On Thu, May 03, 2018 at 05:06:37PM -0700, Dan Williams wrote: > Similar to the ->copy_from_iter() operation, a platform may want to > deploy an architecture or device specific routine for handling reads > from a dax_device like /dev/pmemX. On x86 this routine will point to a > machine check safe version of copy_to_iter(). For now, add the plumbing > to device-mapper and the dax core. > > Cc: Ross Zwisler > Cc: Mike Snitzer > Cc: Christoph Hellwig > Signed-off-by: Dan Williams Looks good to me. Reviewed-by: Ross Zwisler