From patchwork Fri May 27 15:21:21 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zorro Lang X-Patchwork-Id: 9138661 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id A7C8C60467 for ; Fri, 27 May 2016 15:21:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9A90427BFA for ; Fri, 27 May 2016 15:21:27 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8F5EA2818B; Fri, 27 May 2016 15:21:27 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 34FD427BFA for ; Fri, 27 May 2016 15:21:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750905AbcE0PV0 (ORCPT ); Fri, 27 May 2016 11:21:26 -0400 Received: from mx1.redhat.com ([209.132.183.28]:55152 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750833AbcE0PV0 (ORCPT ); Fri, 27 May 2016 11:21:26 -0400 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id B62818111B for ; Fri, 27 May 2016 15:21:25 +0000 (UTC) Received: from localhost (vpn1-4-128.pek2.redhat.com [10.72.4.128]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u4RFLOgs012733; Fri, 27 May 2016 11:21:25 -0400 From: Zorro Lang To: fstests@vger.kernel.org Cc: cem@redhat.com, Zorro Lang Subject: [PATCH 1/2] common/rc: add functions to check or write objects under /sys/fs Date: Fri, 27 May 2016 23:21:21 +0800 Message-Id: <1464362482-7704-1-git-send-email-zlang@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.27]); Fri, 27 May 2016 15:21:25 +0000 (UTC) Sender: fstests-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: fstests@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP XFS add more configurations in /sys/fs/xfs recently. For use them, this patch add some common functions for: 1. "require" a file/dir in /sys/fs. 2. write a file in /sys/fs. For common use, these functions can be used by other filesystems. Signed-off-by: Zorro Lang --- common/rc | 81 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 81 insertions(+) diff --git a/common/rc b/common/rc index 51092a0..9935f08 100644 --- a/common/rc +++ b/common/rc @@ -3556,6 +3556,87 @@ run_fsx() fi } +_require_sys_fs() +{ + local dev=$1 + local target=$2 + local dname="" + + if [ ! -b "$dev" -o -z "$target" ];then + echo "Usage: _require_sys_fs " + exit 1 + fi + + dname=$(basename $(readlink -f $dev)) + _mkfs_dev $dev > /dev/null 2>&1 + _mount -t $FSTYP `_common_dev_mount_options` $dev $SCRATCH_MNT + if [ ! -e /sys/fs/${FSTYP}/${dname}/$target ];then + umount $SCRATCH_MNT + _notrun "/sys/fs/${FSTYP}/${dname}/$target: No such file or directory" + fi + umount $SCRATCH_MNT +} + +_require_scratch_sys_fs() +{ + local target=$1 + local dname="" + + if [ ! -b "$SCRATCH_DEV" -o -z "$target" ];then + echo "Usage: _require_scratch_sys_fs " + exit 1 + fi + + dname=$(basename $(readlink -f $SCRATCH_DEV)) + _scratch_mkfs > /dev/null 2>&1 + _scratch_mount + if [ ! -e /sys/fs/${FSTYP}/${dname}/$target ];then + _scratch_unmount + _notrun "/sys/fs/${FSTYP}/${dname}/$target: No such file or directory" + fi + _scratch_unmount +} + +_set_sys_fs_param() +{ + local dev=$1 + shift + local target=$1 + shift + local content="$*" + + if [ ! -b "$dev" -o -z "$target" -o -z "$content" ];then + echo "Usage: _set_sys_fs_param " + exit 1 + fi + local dname=$(basename $(readlink -f $dev)) + echo "$content" > /sys/fs/${FSTYP}/${dname}/$target +} + +_enable_xfs_fail_at_unmount() +{ + local dev=$1 + + if [ ! -b "$dev" -o "$FSTYP" != "xfs" ];then + echo "Usage: _enable_xfs_fail_at_unmount " + exit 1 + fi + + _set_sys_fs_param $dev error/fail_at_unmount 1 +} + +_disable_xfs_fail_at_unmount() +{ + local dev=$1 + + if [ ! -b "$dev" -o "$FSTYP" != "xfs" ];then + echo "Usage: _enable_xfs_fail_at_unmount " + exit 1 + fi + + _set_sys_fs_param $dev error/fail_at_unmount 0 +} + init_rc ################################################################################