1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Copyright (c) Wipro Technologies Ltd, 2002.  All Rights Reserved.
4 * Author: Nirmala Devi Dhanasekar <nirmala.devi@wipro.com>
5 *
6 * Phase I test for the umount(2) system call.
7 * It is intended to provide a limited exposure of the system call.
8 */
9
10#include <errno.h>
11#include <sys/mount.h>
12#include "tst_test.h"
13
14#define MNTPOINT	"mntpoint"
15
16static int mount_flag;
17
18static void verify_umount(void)
19{
20	if (mount_flag != 1) {
21		SAFE_MOUNT(tst_device->dev, MNTPOINT,
22			tst_device->fs_type, 0, NULL);
23		mount_flag = 1;
24	}
25
26	TEST(umount(MNTPOINT));
27
28	if (TST_RET != 0 && TST_ERR == EBUSY) {
29		tst_res(TINFO, "umount() Failed with EBUSY "
30			"possibly some daemon (gvfsd-trash) "
31			"is probing newly mounted dirs");
32	}
33
34	if (TST_RET != 0) {
35		tst_res(TFAIL | TTERRNO, "umount() Failed");
36		return;
37	}
38
39	tst_res(TPASS, "umount() Passed");
40	mount_flag = 0;
41}
42
43static void setup(void)
44{
45	SAFE_MKDIR(MNTPOINT, 0775);
46}
47
48static void cleanup(void)
49{
50	if (mount_flag)
51		tst_umount(MNTPOINT);
52}
53
54static struct tst_test test = {
55	.needs_root = 1,
56	.format_device = 1,
57	.setup = setup,
58	.cleanup = cleanup,
59	.test_all = verify_umount,
60};
61