From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757732AbcBDOCL (ORCPT ); Thu, 4 Feb 2016 09:02:11 -0500 Received: from mail-lb0-f179.google.com ([209.85.217.179]:34424 "EHLO mail-lb0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753473AbcBDOCH (ORCPT ); Thu, 4 Feb 2016 09:02:07 -0500 From: Dmitry Monakhov To: Ross Zwisler Cc: "linux-kernel\@vger.kernel.org" , "H. Peter Anvin" , "J. Bruce Fields" , "Theodore Ts'o" , Alexander Viro , Andreas Dilger , Dave Chinner , Ingo Molnar , Jan Kara , Jeff Layton , Matthew Wilcox , Thomas Gleixner , linux-ext4 , linux-fsdevel , Linux MM , "linux-nvdimm\@lists.01.org" , X86 ML , XFS Developers , Andrew Morton , Matthew Wilcox , Dave Hansen MIME-Version: 1.0 Content-Type: text/plain Subject: [PATCH] dax: dirty inode only if required In-Reply-To: 1450899560-26708-5-git-send-email-ross.zwisler@linux.intel.com User-Agent: Notmuch/0.18.1 (http://notmuchmail.org) Emacs/24.4.1 (x86_64-pc-linux-gnu) Date: Thu, 04 Feb 2016 17:02:02 +0300 Message-ID: <87k2mkr2ud.fsf@openvz.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Dmitry Monakhov --- fs/dax.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/dax.c b/fs/dax.c index e0e9358..fc2e314 100644 --- a/fs/dax.c +++ b/fs/dax.c @@ -358,7 +358,8 @@ static int dax_radix_entry(struct address_space *mapping, pgoff_t index, void *entry; WARN_ON_ONCE(pmd_entry && !dirty); - __mark_inode_dirty(mapping->host, I_DIRTY_PAGES); + if (dirty) + __mark_inode_dirty(mapping->host, I_DIRTY_PAGES); spin_lock_irq(&mapping->tree_lock); -- 1.8.3.1