From patchwork Wed Jun 15 08:47:54 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anand Jain X-Patchwork-Id: 9177875 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 97B1560573 for ; Wed, 15 Jun 2016 08:47:23 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 84FD22830C for ; Wed, 15 Jun 2016 08:47:23 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 76E7028341; Wed, 15 Jun 2016 08:47:23 +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=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 2F59D2830C for ; Wed, 15 Jun 2016 08:47:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752932AbcFOIrS (ORCPT ); Wed, 15 Jun 2016 04:47:18 -0400 Received: from userp1040.oracle.com ([156.151.31.81]:46061 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752601AbcFOIrR (ORCPT ); Wed, 15 Jun 2016 04:47:17 -0400 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id u5F8lFhc010672 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Wed, 15 Jun 2016 08:47:16 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userv0021.oracle.com (8.13.8/8.13.8) with ESMTP id u5F8lFuf008282 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Wed, 15 Jun 2016 08:47:15 GMT Received: from abhmp0002.oracle.com (abhmp0002.oracle.com [141.146.116.8]) by aserv0121.oracle.com (8.13.8/8.13.8) with ESMTP id u5F8lE8V024355; Wed, 15 Jun 2016 08:47:15 GMT Received: from arch2.localdomain (/42.60.24.64) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 15 Jun 2016 01:47:14 -0700 From: Anand Jain To: fstests@vger.kernel.org Cc: linux-btrfs@vger.kernel.org Subject: [PATCH v2 4/6] fstests: btrfs: add helper function to check if btrfs is module Date: Wed, 15 Jun 2016 16:47:54 +0800 Message-Id: <1465980474-18990-1-git-send-email-anand.jain@oracle.com> X-Mailer: git-send-email 2.7.0 In-Reply-To: <1463495530-425-4-git-send-email-anand.jain@oracle.com> References: <1463495530-425-4-git-send-email-anand.jain@oracle.com> X-Source-IP: userv0021.oracle.com [156.151.31.71] 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 We need btrfs to be a module so that it can unloaded and reloaded, so that we can clean up the btrfs internal in memory device list. This patch adds _require_btrfs_unloadable() and _reload_btrfs_ko() to help with the same. Signed-off-by: Anand Jain --- v2: rename _require_btrfs_unloadable to _require_btrfs_loadable common/rc | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/common/rc b/common/rc index ffdbfcdae68d..89281171365f 100644 --- a/common/rc +++ b/common/rc @@ -1441,6 +1441,18 @@ _supported_os() _notrun "not suitable for this OS: $HOSTOS" } +_require_btrfs_loadable() +{ + modprobe -r btrfs || _notrun "btrfs unloadable" + modprobe btrfs || _notrun "Can't load btrfs" +} + +_reload_btrfs_ko() +{ + modprobe -r btrfs || _fail "btrfs unload failed" + modprobe btrfs || _fail "btrfs load failed" +} + # this test needs a scratch partition - check we're ok & unmount it # No post-test check of the device is required. e.g. the test intentionally # finishes the test with the filesystem in a corrupt state