From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753002AbbLaXvS (ORCPT ); Thu, 31 Dec 2015 18:51:18 -0500 Received: from mail.kernel.org ([198.145.29.136]:60047 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750888AbbLaXuE (ORCPT ); Thu, 31 Dec 2015 18:50:04 -0500 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 3/5] f2fs: use IPU for fdatasync Date: Thu, 31 Dec 2015 15:49:52 -0800 Message-Id: <1451605794-5636-3-git-send-email-jaegeuk@kernel.org> X-Mailer: git-send-email 2.6.3 In-Reply-To: <1451605794-5636-1-git-send-email-jaegeuk@kernel.org> References: <1451605794-5636-1-git-send-email-jaegeuk@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch fixes missing IPU condition when fdatasync is called. With this patch, fdatasync is able to avoid additional node writes for recovery. Signed-off-by: Jaegeuk Kim --- fs/f2fs/file.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index b04ab40..e3d32f6 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -202,7 +202,7 @@ int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) trace_f2fs_sync_file_enter(inode); /* if fdatasync is triggered, let's do in-place-update */ - if (get_dirty_pages(inode) <= SM_I(sbi)->min_fsync_blocks) + if (datasync || get_dirty_pages(inode) <= SM_I(sbi)->min_fsync_blocks) set_inode_flag(fi, FI_NEED_IPU); ret = filemap_write_and_wait_range(inode->i_mapping, start, end); clear_inode_flag(fi, FI_NEED_IPU); -- 2.6.3