From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: 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 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> In-Reply-To: <1463495530-425-4-git-send-email-anand.jain@oracle.com> References: <1463495530-425-4-git-send-email-anand.jain@oracle.com> Sender: linux-btrfs-owner@vger.kernel.org List-ID: 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 -- 2.7.0