From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f70.google.com (mail-pa0-f70.google.com [209.85.220.70]) by kanga.kvack.org (Postfix) with ESMTP id BA6216B007E for ; Fri, 29 Apr 2016 14:56:09 -0400 (EDT) Received: by mail-pa0-f70.google.com with SMTP id zy2so183386636pac.1 for ; Fri, 29 Apr 2016 11:56:09 -0700 (PDT) Received: from mga03.intel.com (mga03.intel.com. [134.134.136.65]) by mx.google.com with ESMTP id x63si2922960pfb.123.2016.04.29.11.56.08 for ; Fri, 29 Apr 2016 11:56:08 -0700 (PDT) Date: Fri, 29 Apr 2016 12:56:08 -0600 From: Ross Zwisler Subject: Re: [PATCH 09/18] dax: Remove zeroing from dax_io() Message-ID: <20160429185608.GD5888@linux.intel.com> References: <1461015341-20153-1-git-send-email-jack@suse.cz> <1461015341-20153-10-git-send-email-jack@suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1461015341-20153-10-git-send-email-jack@suse.cz> Sender: owner-linux-mm@kvack.org List-ID: To: Jan Kara Cc: linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, linux-mm@kvack.org, Ross Zwisler , Dan Williams , linux-nvdimm@lists.01.org, Matthew Wilcox On Mon, Apr 18, 2016 at 11:35:32PM +0200, Jan Kara wrote: > All the filesystems are now zeroing blocks themselves for DAX IO to avoid > races between dax_io() and dax_fault(). Remove the zeroing code from > dax_io() and add warning to catch the case when somebody unexpectedly > returns new or unwritten buffer. > > Signed-off-by: Jan Kara Reviewed-by: Ross Zwisler -- 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