From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: 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 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> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: 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]); -- 2.6.3