From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ross Zwisler Subject: Re: [PATCH 0/4 v4] mm,dax: Fix data corruption due to mmap inconsistency Date: Wed, 10 May 2017 11:27:55 -0600 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-Transfer-Encoding: 7bit Cc: linux-nvdimm-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org, linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org, linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Andrew Morton , linux-ext4-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Jan Kara Return-path: Content-Disposition: inline In-Reply-To: <20170510085419.27601-1-jack-AlSwsSmVLrQ@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" List-Id: linux-ext4.vger.kernel.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. From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 856BA21A134AC for ; 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-Disposition: inline In-Reply-To: <20170510085419.27601-1-jack@suse.cz> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-nvdimm-bounces@lists.01.org Sender: "Linux-nvdimm" To: Jan Kara Cc: linux-nvdimm@lists.01.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, Andrew Morton , linux-ext4@vger.kernel.org List-ID: 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. _______________________________________________ Linux-nvdimm mailing list Linux-nvdimm@lists.01.org https://lists.01.org/mailman/listinfo/linux-nvdimm From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Wed, 10 May 2017 11:27:55 -0600 From: Ross Zwisler 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 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: 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