From patchwork Thu Jul 16 05:16:44 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiao Yang X-Patchwork-Id: 11666677 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 6D40E13A4 for ; Thu, 16 Jul 2020 05:24:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 58A002067D for ; Thu, 16 Jul 2020 05:24:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726002AbgGPFYN (ORCPT ); Thu, 16 Jul 2020 01:24:13 -0400 Received: from mail.cn.fujitsu.com ([183.91.158.132]:44682 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725844AbgGPFYM (ORCPT ); Thu, 16 Jul 2020 01:24:12 -0400 X-IronPort-AV: E=Sophos;i="5.75,358,1589212800"; d="scan'208";a="96422184" Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 16 Jul 2020 13:24:05 +0800 Received: from G08CNEXMBPEKD06.g08.fujitsu.local (unknown [10.167.33.206]) by cn.fujitsu.com (Postfix) with ESMTP id A15174CE505F; Thu, 16 Jul 2020 13:24:03 +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, 16 Jul 2020 13:24:04 +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, 16 Jul 2020 13:24:03 +0800 From: Xiao Yang To: CC: , , Xiao Yang Subject: [PATCH v7 1/7] common/rc: Introduce helpers for new dax mount options and FS_XFLAG_DAX Date: Thu, 16 Jul 2020 13:16:44 +0800 Message-ID: <20200716051650.28750-2-yangx.jy@cn.fujitsu.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20200716051650.28750-1-yangx.jy@cn.fujitsu.com> References: <20200716051650.28750-1-yangx.jy@cn.fujitsu.com> MIME-Version: 1.0 X-yoursite-MailScanner-ID: A15174CE505F.AA142 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 --- common/rc | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/common/rc b/common/rc index f17b19f2..4427ce47 100644 --- a/common/rc +++ b/common/rc @@ -3188,6 +3188,48 @@ _require_scratch_dax() _scratch_unmount } +# Only accept dax/dax=always mount option becasue dax=always, dax=inode +# and dax=never are always introduced together. +# 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 new dax=inode, dax=always or dax=never option by passing "dax=always". +# Check old dax or new dax=always by passing "dax". +_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() {