From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F3E57C433F5 for ; Fri, 29 Oct 2021 21:18:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DD3E261075 for ; Fri, 29 Oct 2021 21:18:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231546AbhJ2VVA (ORCPT ); Fri, 29 Oct 2021 17:21:00 -0400 Received: from bhuna.collabora.co.uk ([46.235.227.227]:58436 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231463AbhJ2VU7 (ORCPT ); Fri, 29 Oct 2021 17:20:59 -0400 Received: from localhost (unknown [IPv6:2804:14c:124:8a08::1002]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: krisman) by bhuna.collabora.co.uk (Postfix) with ESMTPSA id 8149D1F45C6F; Fri, 29 Oct 2021 22:18:29 +0100 (BST) From: Gabriel Krisman Bertazi To: jack@suse.com, amir73il@gmail.com, repnop@google.com Cc: ltp@lists.linux.it, khazhy@google.com, kernel@collabora.com, linux-ext4@vger.kernel.org, Gabriel Krisman Bertazi Subject: [PATCH v3 6/9] syscalls/fanotify21: Support submission of debugfs commands Date: Fri, 29 Oct 2021 18:17:29 -0300 Message-Id: <20211029211732.386127-7-krisman@collabora.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211029211732.386127-1-krisman@collabora.com> References: <20211029211732.386127-1-krisman@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org In order to test FAN_FS_ERROR, we want to corrupt the filesystem. The easiest way to do it is by using debugfs. Add a small helper to issue debugfs requests. Since most likely this will be the only testcase to need this, don't bother making it a proper helper for now. Reviewed-by: Amir Goldstein Signed-off-by: Gabriel Krisman Bertazi --- changes since v1: - Add .needs_cmds to require debugfs --- testcases/kernel/syscalls/fanotify/fanotify21.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/testcases/kernel/syscalls/fanotify/fanotify21.c b/testcases/kernel/syscalls/fanotify/fanotify21.c index 95c988821a34..43e606c27372 100644 --- a/testcases/kernel/syscalls/fanotify/fanotify21.c +++ b/testcases/kernel/syscalls/fanotify/fanotify21.c @@ -49,6 +49,13 @@ static void trigger_fs_abort(void) MS_REMOUNT|MS_RDONLY, "abort"); } +static void do_debugfs_request(const char *dev, char *request) +{ + const char *cmd[] = {"debugfs", "-w", dev, "-R", request, NULL}; + + SAFE_CMD(cmd, NULL, NULL); +} + static struct test_case { char *name; int error; @@ -228,7 +235,11 @@ static struct tst_test test = { .mntpoint = MOUNT_PATH, .all_filesystems = 0, .needs_root = 1, - .dev_fs_type = "ext4" + .dev_fs_type = "ext4", + .needs_cmds = (const char *[]) { + "debugfs", + NULL + } }; #else -- 2.33.0