From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f44.google.com ([74.125.82.44]:35466 "EHLO mail-wm0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754483AbcEBTUZ (ORCPT ); Mon, 2 May 2016 15:20:25 -0400 Received: by mail-wm0-f44.google.com with SMTP id e201so119333808wme.0 for ; Mon, 02 May 2016 12:20:24 -0700 (PDT) Message-ID: <5727A875.6010003@plexistor.com> Date: Mon, 02 May 2016 22:20:21 +0300 From: Boaz Harrosh MIME-Version: 1.0 To: Toshi Kani , dan.j.williams@intel.com, jack@suse.cz, david@fromorbit.com CC: hch@infradead.org, tytso@mit.edu, adilger.kernel@dilger.ca, ross.zwisler@linux.intel.com, micah.parrish@hpe.com, linux-nvdimm@lists.01.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 0/3] Add alignment check for DAX mount References: <1462214578-27122-1-git-send-email-toshi.kani@hpe.com> In-Reply-To: <1462214578-27122-1-git-send-email-toshi.kani@hpe.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: linux-fsdevel-owner@vger.kernel.org List-ID: On 05/02/2016 09:42 PM, Toshi Kani wrote: > When a partition is not aligned by 4KB, mount -o dax succeeds, > but any read/write access to the filesystem fails, except for > metadata update. > > Add alignment check to ext4, ext2, and xfs. > > v2: > - Use a helper function via ->direct_access for the check. > (Christoph Hellwig) > - Call bdev_direct_access() with sector 0 for the check. > (Boaz Harrosh) > > --- > Toshi Kani (3): > 1/3 ext4: Add alignment check for DAX mount > 2/3 ext2: Add alignment check for DAX mount > 3/3 xfs: Add alignment check for DAX mount > All patches look very good to me, and keep the internals internal. Thanks Toshi Review-by: Boaz Harrosh > --- > fs/ext2/super.c | 21 +++++++++++++++++++-- > fs/ext4/super.c | 20 ++++++++++++++++++-- > fs/xfs/xfs_super.c | 23 +++++++++++++++++++---- > 3 files changed, 56 insertions(+), 8 deletions(-) >