From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg0-f70.google.com (mail-pg0-f70.google.com [74.125.83.70]) by kanga.kvack.org (Postfix) with ESMTP id 59D166B02FA for ; Wed, 10 May 2017 13:27:57 -0400 (EDT) Received: by mail-pg0-f70.google.com with SMTP id i63so1691981pgd.15 for ; Wed, 10 May 2017 10:27:57 -0700 (PDT) Received: from mga01.intel.com (mga01.intel.com. [192.55.52.88]) by mx.google.com with ESMTPS id y21si3624251pff.44.2017.05.10.10.27.56 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 10 May 2017 10:27:56 -0700 (PDT) Date: Wed, 10 May 2017 11:27:55 -0600 From: Ross Zwisler Subject: Re: [PATCH 0/4 v4] mm,dax: Fix data corruption due to mmap inconsistency Message-ID: <20170510172755.GA18283@linux.intel.com> References: <20170510085419.27601-1-jack@suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170510085419.27601-1-jack@suse.cz> Sender: owner-linux-mm@kvack.org List-ID: To: Jan Kara Cc: Andrew Morton , Ross Zwisler , Dan Williams , linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-nvdimm@lists.01.org, linux-mm@kvack.org On Wed, May 10, 2017 at 10:54:15AM +0200, Jan Kara wrote: > Hello, > > this series fixes data corruption that can happen for DAX mounts when > page faults race with write(2) and as a result page tables get out of sync > with block mappings in the filesystem and thus data seen through mmap is > different from data seen through read(2). > > The series passes testing with t_mmap_stale test program from Ross and also > other mmap related tests on DAX filesystem. > > Andrew, can you please merge these patches? Thanks! > > Changes since v3: > * Rebased on top of current Linus' tree due to non-trivial conflicts with > added tracepoint Cool, the merge update looks correct to me. -- 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