From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751040AbeBIGNq (ORCPT ); Fri, 9 Feb 2018 01:13:46 -0500 Received: from szxga06-in.huawei.com ([45.249.212.32]:57356 "EHLO huawei.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1750828AbeBIGNo (ORCPT ); Fri, 9 Feb 2018 01:13:44 -0500 From: jiangyiwen Subject: [V9fs-developer] [PATCH] fs/9p: don't set SB_NOATIME by default To: CC: Eric Van Hensbergen , Ron Minnich , Latchesar Ionkov , , Message-ID: <5A7D3C08.7020309@huawei.com> Date: Fri, 9 Feb 2018 14:13:28 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.5.1 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.177.16.168] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org User use some syscall, for example mmap(v9fs_file_mmap), it will not update atime even if user's mnt_flags have MNT_NOATIME, because v9fs default set SB_NOATIME in v9fs_set_super. For supporting access time is updated when user mount with relatime, we should clear SB_NOATIME by default. Signed-off-by: Yiwen Jiang --- fs/9p/vfs_super.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c index af03c2a..48ce504 100644 --- a/fs/9p/vfs_super.c +++ b/fs/9p/vfs_super.c @@ -94,7 +94,7 @@ static int v9fs_set_super(struct super_block *s, void *data) if (v9ses->cache) sb->s_bdi->ra_pages = (VM_MAX_READAHEAD * 1024)/PAGE_SIZE; - sb->s_flags |= SB_ACTIVE | SB_DIRSYNC | SB_NOATIME; + sb->s_flags |= SB_ACTIVE | SB_DIRSYNC; if (!v9ses->cache) sb->s_flags |= SB_SYNCHRONOUS; -- 1.8.3.1