From patchwork Mon May 16 22:30:43 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jaegeuk Kim X-Patchwork-Id: 9106161 Return-Path: X-Original-To: patchwork-linux-fsdevel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 6D594BF29F for ; Mon, 16 May 2016 22:32:33 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A60EB2025A for ; Mon, 16 May 2016 22:32:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B335120218 for ; Mon, 16 May 2016 22:32:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752050AbcEPWaw (ORCPT ); Mon, 16 May 2016 18:30:52 -0400 Received: from mail.kernel.org ([198.145.29.136]:42233 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752024AbcEPWav (ORCPT ); Mon, 16 May 2016 18:30:51 -0400 Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E0B492025A; Mon, 16 May 2016 22:30:49 +0000 (UTC) Received: from localhost (107-1-141-74-ip-static.hfc.comcastbusiness.net [107.1.141.74]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 36B1920218; Mon, 16 May 2016 22:30:49 +0000 (UTC) From: Jaegeuk Kim To: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Cc: Jaegeuk Kim Subject: [PATCH 1/5] f2fs: manipulate dirty file inodes when DATA_FLUSH is set Date: Mon, 16 May 2016 15:30:43 -0700 Message-Id: <1463437847-40412-1-git-send-email-jaegeuk@kernel.org> X-Mailer: git-send-email 2.6.3 X-Spam-Status: No, score=-8.3 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP It needs to maintain dirty file inodes only if DATA_FLUSH is set. Otherwise, let's avoid its overhead. Signed-off-by: Jaegeuk Kim --- fs/f2fs/checkpoint.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index 3da6499..d04113b 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -785,9 +785,11 @@ void update_dirty_page(struct inode *inode, struct page *page) !S_ISLNK(inode->i_mode)) return; - spin_lock(&sbi->inode_lock[type]); - __add_dirty_inode(inode, type); - spin_unlock(&sbi->inode_lock[type]); + if (type != FILE_INODE || test_opt(sbi, DATA_FLUSH)) { + spin_lock(&sbi->inode_lock[type]); + __add_dirty_inode(inode, type); + spin_unlock(&sbi->inode_lock[type]); + } inode_inc_dirty_pages(inode); SetPagePrivate(page); @@ -803,6 +805,9 @@ void remove_dirty_inode(struct inode *inode) !S_ISLNK(inode->i_mode)) return; + if (type == FILE_INODE && !test_opt(sbi, DATA_FLUSH)) + return; + spin_lock(&sbi->inode_lock[type]); __remove_dirty_inode(inode, type); spin_unlock(&sbi->inode_lock[type]);