From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sasha Levin Subject: [PATCH AUTOSEL 4.19 072/258] f2fs: move dir data flush to write checkpoint process Date: Mon, 28 Jan 2019 10:56:18 -0500 Message-ID: <20190128155924.51521-72-sashal@kernel.org> References: <20190128155924.51521-1-sashal@kernel.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190128155924.51521-1-sashal@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Yunlei He , Jaegeuk Kim , Sasha Levin , linux-f2fs-devel@lists.sourceforge.net List-Id: linux-f2fs-devel.lists.sourceforge.net From: Yunlei He [ Upstream commit b61ac5b720146c619c7cdf17eff2551b934399e5 ] This patch move dir data flush to write checkpoint process, by doing this, it may reduce some time for dir fsync. pre: -f2fs_do_sync_file enter -file_write_and_wait_range <- flush & wait -write_checkpoint -do_checkpoint <- wait all -f2fs_do_sync_file exit now: -f2fs_do_sync_file enter -write_checkpoint -block_operations <- flush dir & no wait -do_checkpoint <- wait all -f2fs_do_sync_file exit Signed-off-by: Yunlei He Signed-off-by: Jaegeuk Kim Signed-off-by: Sasha Levin --- fs/f2fs/file.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 5474aaa274b9..fd36aa6569dc 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -220,6 +220,9 @@ static int f2fs_do_sync_file(struct file *file, loff_t start, loff_t end, trace_f2fs_sync_file_enter(inode); + if (S_ISDIR(inode->i_mode)) + goto go_write; + /* if fdatasync is triggered, let's do in-place-update */ if (datasync || get_dirty_pages(inode) <= SM_I(sbi)->min_fsync_blocks) set_inode_flag(inode, FI_NEED_IPU); -- 2.19.1