// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (c) Wipro Technologies Ltd, 2002. All Rights Reserved. * Author: Nirmala Devi Dhanasekar * Copyright (c) Linux Test Project, 2002-2023 */ /*\ * [Description] * * Check the basic functionality of the umount(2) system call. */ #include #include "tst_test.h" #define MNTPOINT "mntpoint" static int mount_flag; static void verify_umount(void) { if (mount_flag != 1) { SAFE_MOUNT(tst_device->dev, MNTPOINT, tst_device->fs_type, 0, NULL); mount_flag = 1; } TST_EXP_PASS(umount(MNTPOINT)); if (TST_RET != 0 && TST_ERR == EBUSY) { tst_res(TINFO, "umount() Failed with EBUSY " "possibly some daemon (gvfsd-trash) " "is probing newly mounted dirs"); } mount_flag = 0; } static void setup(void) { SAFE_MKDIR(MNTPOINT, 0775); } static void cleanup(void) { if (mount_flag) tst_umount(MNTPOINT); } static struct tst_test test = { .needs_root = 1, .format_device = 1, .setup = setup, .cleanup = cleanup, .test_all = verify_umount, };