From patchwork Thu Jun 23 13:25:39 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anand Jain X-Patchwork-Id: 9195123 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 78A1B6077D for ; Thu, 23 Jun 2016 13:25:02 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6672228451 for ; Thu, 23 Jun 2016 13:25:02 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 598EA28456; Thu, 23 Jun 2016 13:25:02 +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, UNPARSEABLE_RELAY autolearn=unavailable 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 0BD4028451 for ; Thu, 23 Jun 2016 13:25:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751231AbcFWNY6 (ORCPT ); Thu, 23 Jun 2016 09:24:58 -0400 Received: from userp1040.oracle.com ([156.151.31.81]:41156 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751026AbcFWNY5 (ORCPT ); Thu, 23 Jun 2016 09:24:57 -0400 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5NDOscU024299 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Thu, 23 Jun 2016 13:24:55 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5NDOsJG002598 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Thu, 23 Jun 2016 13:24:54 GMT Received: from abhmp0010.oracle.com (abhmp0010.oracle.com [141.146.116.16]) by userv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5NDOrAa007923; Thu, 23 Jun 2016 13:24:53 GMT Received: from arch2.sg.oracle.com (/10.186.101.143) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 23 Jun 2016 06:24:52 -0700 From: Anand Jain To: fstests@vger.kernel.org Cc: linux-btrfs@vger.kernel.org, eguan@redhat.com, Anand Jain , Anand Jain Subject: [PATCH v3 1/6] fstests: btrfs: add functions to set and reset required number of SCRATCH_DEV_POOL Date: Thu, 23 Jun 2016 21:25:39 +0800 Message-Id: <1466688339-7949-1-git-send-email-anand.jain@oracle.com> X-Mailer: git-send-email 2.7.0 In-Reply-To: <1465980363-18906-1-git-send-email-anand.jain@oracle.com> References: <1465980363-18906-1-git-send-email-anand.jain@oracle.com> X-Source-IP: aserv0021.oracle.com [141.146.126.233] Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Anand Jain This patch provides functions _scratch_dev_pool_get() _scratch_dev_pool_put() Which will help to set/reset SCRATCH_DEV_POOL with the required number of devices. SCRATCH_DEV_POOL_SAVED will hold all the devices. Usage: _scratch_dev_pool_get() :: do stuff _scratch_dev_pool_put() Signed-off-by: Anand Jain --- v2: Error message and comment section updates. v3: fix to -ne for integer check common/rc | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) diff --git a/common/rc b/common/rc index 51092a0644f0..2c3891e4b2c9 100644 --- a/common/rc +++ b/common/rc @@ -802,6 +802,61 @@ _scratch_mkfs() esac } +# +# Generally test cases will have.. +# _require_scratch_dev_pool X +# to make sure it has the enough scratch devices including +# replace-target and spare device. Now arg1 here is the +# required number of scratch devices by a-test-case excluding +# the replace-target and spare device. So this function will +# set SCRATCH_DEV_POOL to the specified number of devices. +# +# Usage: +# _scratch_dev_pool_get() +# :: do stuff +# +# _scratch_dev_pool_put() +# +_scratch_dev_pool_get() +{ + if [ $# -ne 1 ]; then + _fail "Usage: _scratch_dev_pool_get ndevs" + fi + + local test_ndevs=$1 + local config_ndevs=`echo $SCRATCH_DEV_POOL| wc -w` + local devs[]="( $SCRATCH_DEV_POOL )" + + typeset -p config_ndevs >/dev/null 2>&1 + if [ $? -ne 0 ]; then + _fail "Bug: cant find SCRATCH_DEV_POOL ndevs" + fi + + if [ $config_ndevs -lt $test_ndevs ]; then + _notrun "Need at least test requested number of ndevs $test_ndevs" + fi + + SCRATCH_DEV_POOL_SAVED=${SCRATCH_DEV_POOL} + export SCRATCH_DEV_POOL_SAVED + SCRATCH_DEV_POOL=${devs[@]:0:$test_ndevs} + export SCRATCH_DEV_POOL +} + +_scratch_dev_pool_put() +{ + typeset -p SCRATCH_DEV_POOL_SAVED >/dev/null 2>&1 + if [ $? -ne 0 ]; then + _fail "Bug: unset val, must call _scratch_dev_pool_get before _scratch_dev_pool_put" + fi + + if [ -z "$SCRATCH_DEV_POOL_SAVED" ]; then + _fail "Bug: str empty, must call _scratch_dev_pool_get before _scratch_dev_pool_put" + fi + + export SCRATCH_DEV_POOL=$SCRATCH_DEV_POOL_SAVED + export SCRATCH_DEV_POOL_SAVED="" +} + _scratch_pool_mkfs() { case $FSTYP in