From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lf0-f52.google.com (mail-lf0-f52.google.com [209.85.215.52]) by kanga.kvack.org (Postfix) with ESMTP id D977A440434 for ; Thu, 4 Feb 2016 09:02:06 -0500 (EST) Received: by mail-lf0-f52.google.com with SMTP id l143so36652406lfe.2 for ; Thu, 04 Feb 2016 06:02:06 -0800 (PST) Received: from mail-lb0-x234.google.com (mail-lb0-x234.google.com. [2a00:1450:4010:c04::234]) by mx.google.com with ESMTPS id n2si7199045lfd.209.2016.02.04.06.02.05 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 04 Feb 2016 06:02:05 -0800 (PST) Received: by mail-lb0-x234.google.com with SMTP id cw1so31608209lbb.1 for ; Thu, 04 Feb 2016 06:02:05 -0800 (PST) From: Dmitry Monakhov 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 Date: Thu, 04 Feb 2016 17:02:02 +0300 Message-ID: <87k2mkr2ud.fsf@openvz.org> Sender: owner-linux-mm@kvack.org List-ID: 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 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 -- 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