From patchwork Thu Aug 6 02:13:35 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiao Yang X-Patchwork-Id: 11702699 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D283D14B7 for ; Thu, 6 Aug 2020 02:21:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CA4F82245C for ; Thu, 6 Aug 2020 02:21:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726604AbgHFCVp (ORCPT ); Wed, 5 Aug 2020 22:21:45 -0400 Received: from mail.cn.fujitsu.com ([183.91.158.132]:64121 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726150AbgHFCVp (ORCPT ); Wed, 5 Aug 2020 22:21:45 -0400 X-IronPort-AV: E=Sophos;i="5.75,440,1589212800"; d="scan'208";a="97677616" Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 06 Aug 2020 10:21:20 +0800 Received: from G08CNEXMBPEKD06.g08.fujitsu.local (unknown [10.167.33.206]) by cn.fujitsu.com (Postfix) with ESMTP id A1C2A4CE34E9; Thu, 6 Aug 2020 10:21:14 +0800 (CST) Received: from G08CNEXCHPEKD05.g08.fujitsu.local (10.167.33.203) by G08CNEXMBPEKD06.g08.fujitsu.local (10.167.33.206) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 6 Aug 2020 10:21:14 +0800 Received: from Fedora-30.g08.fujitsu.local (10.167.220.106) by G08CNEXCHPEKD05.g08.fujitsu.local (10.167.33.209) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 6 Aug 2020 10:21:15 +0800 From: Xiao Yang To: CC: , , , Xiao Yang Subject: [PATCH v9 1/8] common/rc: Introduce helpers for new dax mount options and FS_XFLAG_DAX Date: Thu, 6 Aug 2020 10:13:35 +0800 Message-ID: <20200806021342.10596-2-yangx.jy@cn.fujitsu.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20200806021342.10596-1-yangx.jy@cn.fujitsu.com> References: <20200806021342.10596-1-yangx.jy@cn.fujitsu.com> MIME-Version: 1.0 X-yoursite-MailScanner-ID: A1C2A4CE34E9.AC94D X-yoursite-MailScanner: Found to be clean X-yoursite-MailScanner-From: yangx.jy@cn.fujitsu.com X-Spam-Status: No Sender: fstests-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: fstests@vger.kernel.org 1) _check_scratch_dax_mountopt() checks old/new dax mount option and returns a value. 2) _require_scratch_dax_mountopt() throws notrun if _check_scratch_dax_mountopt() returns a non-zero value. 3) _require_dax_iflag() checks FS_XFLAG_DAX. Signed-off-by: Xiao Yang Reviewed-by: Darrick J. Wong --- common/rc | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) diff --git a/common/rc b/common/rc index 1b7b2575..fa70453d 100644 --- a/common/rc +++ b/common/rc @@ -3188,6 +3188,58 @@ _require_scratch_dax() _scratch_unmount } +# Check if dax mount options are supported +# +# $1 can be either 'dax=always' or 'dax' +# +# dax=always +# Check for the new dax options (dax=inode, dax=always or dax=never) +# by passing "dax=always". +# dax +# Check for the old dax or new dax=always by passing "dax". +# +# This only accepts 'dax=always' because dax=always, dax=inode and +# dax=never are always supported together. So if the other options are +# required checking for 'dax=always' indicates support for the other 2. +# +# Return 0 if filesystem/device supports the specified dax option. +# Return 1 if mount fails with the specified dax option. +# Return 2 if /proc/mounts shows wrong dax option. +_check_scratch_dax_mountopt() +{ + local option=$1 + + _require_scratch + _scratch_mkfs > /dev/null 2>&1 + + _try_scratch_mount "-o $option" > /dev/null 2>&1 || return 1 + + if _fs_options $SCRATCH_DEV | egrep -q "dax(=always|,|$)"; then + _scratch_unmount + return 0 + else + _scratch_unmount + return 2 + fi +} + +# Throw notrun if _check_scratch_dax_mountopt() returns a non-zero value. +_require_scratch_dax_mountopt() +{ + local mountopt=$1 + + _check_scratch_dax_mountopt "$mountopt" + local res=$? + + [ $res -eq 1 ] && _notrun "mount $SCRATCH_DEV with $mountopt failed" + [ $res -eq 2 ] && _notrun "$SCRATCH_DEV $FSTYP does not support -o $mountopt" +} + +_require_dax_iflag() +{ + _require_xfs_io_command "chattr" "x" +} + # Does norecovery support by this fs? _require_norecovery() {