From mboxrd@z Thu Jan 1 00:00:00 1970 From: 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> References: <1451605794-5636-1-git-send-email-jaegeuk@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from sog-mx-2.v43.ch3.sourceforge.com ([172.29.43.192] helo=mx.sourceforge.net) by sfs-ml-1.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1aEmyv-0008IY-QM for linux-f2fs-devel@lists.sourceforge.net; Thu, 31 Dec 2015 23:50:09 +0000 Received: from mail.kernel.org ([198.145.29.136]) by sog-mx-2.v43.ch3.sourceforge.com with esmtp (Exim 4.76) id 1aEmyv-00073m-5n for linux-f2fs-devel@lists.sourceforge.net; Thu, 31 Dec 2015 23:50:09 +0000 In-Reply-To: <1451605794-5636-1-git-send-email-jaegeuk@kernel.org> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net To: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Cc: Jaegeuk Kim 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 ------------------------------------------------------------------------------