1*49cdfc7eSAndroid Build Coastguard Worker // SPDX-License-Identifier: GPL-2.0-or-later
2*49cdfc7eSAndroid Build Coastguard Worker /*
3*49cdfc7eSAndroid Build Coastguard Worker * Copyright (c) Wipro Technologies Ltd, 2002. All Rights Reserved.
4*49cdfc7eSAndroid Build Coastguard Worker * Author: Nirmala Devi Dhanasekar <[email protected]>
5*49cdfc7eSAndroid Build Coastguard Worker * Copyright (c) Linux Test Project, 2002-2023
6*49cdfc7eSAndroid Build Coastguard Worker */
7*49cdfc7eSAndroid Build Coastguard Worker
8*49cdfc7eSAndroid Build Coastguard Worker /*\
9*49cdfc7eSAndroid Build Coastguard Worker * [Description]
10*49cdfc7eSAndroid Build Coastguard Worker *
11*49cdfc7eSAndroid Build Coastguard Worker * Check the basic functionality of the umount(2) system call.
12*49cdfc7eSAndroid Build Coastguard Worker */
13*49cdfc7eSAndroid Build Coastguard Worker
14*49cdfc7eSAndroid Build Coastguard Worker #include <sys/mount.h>
15*49cdfc7eSAndroid Build Coastguard Worker #include "tst_test.h"
16*49cdfc7eSAndroid Build Coastguard Worker
17*49cdfc7eSAndroid Build Coastguard Worker #define MNTPOINT "mntpoint"
18*49cdfc7eSAndroid Build Coastguard Worker
19*49cdfc7eSAndroid Build Coastguard Worker static int mount_flag;
20*49cdfc7eSAndroid Build Coastguard Worker
verify_umount(void)21*49cdfc7eSAndroid Build Coastguard Worker static void verify_umount(void)
22*49cdfc7eSAndroid Build Coastguard Worker {
23*49cdfc7eSAndroid Build Coastguard Worker if (mount_flag != 1) {
24*49cdfc7eSAndroid Build Coastguard Worker SAFE_MOUNT(tst_device->dev, MNTPOINT,
25*49cdfc7eSAndroid Build Coastguard Worker tst_device->fs_type, 0, NULL);
26*49cdfc7eSAndroid Build Coastguard Worker mount_flag = 1;
27*49cdfc7eSAndroid Build Coastguard Worker }
28*49cdfc7eSAndroid Build Coastguard Worker
29*49cdfc7eSAndroid Build Coastguard Worker TST_EXP_PASS(umount(MNTPOINT));
30*49cdfc7eSAndroid Build Coastguard Worker
31*49cdfc7eSAndroid Build Coastguard Worker if (TST_RET != 0 && TST_ERR == EBUSY) {
32*49cdfc7eSAndroid Build Coastguard Worker tst_res(TINFO, "umount() Failed with EBUSY "
33*49cdfc7eSAndroid Build Coastguard Worker "possibly some daemon (gvfsd-trash) "
34*49cdfc7eSAndroid Build Coastguard Worker "is probing newly mounted dirs");
35*49cdfc7eSAndroid Build Coastguard Worker }
36*49cdfc7eSAndroid Build Coastguard Worker
37*49cdfc7eSAndroid Build Coastguard Worker mount_flag = 0;
38*49cdfc7eSAndroid Build Coastguard Worker }
39*49cdfc7eSAndroid Build Coastguard Worker
setup(void)40*49cdfc7eSAndroid Build Coastguard Worker static void setup(void)
41*49cdfc7eSAndroid Build Coastguard Worker {
42*49cdfc7eSAndroid Build Coastguard Worker SAFE_MKDIR(MNTPOINT, 0775);
43*49cdfc7eSAndroid Build Coastguard Worker }
44*49cdfc7eSAndroid Build Coastguard Worker
cleanup(void)45*49cdfc7eSAndroid Build Coastguard Worker static void cleanup(void)
46*49cdfc7eSAndroid Build Coastguard Worker {
47*49cdfc7eSAndroid Build Coastguard Worker if (mount_flag)
48*49cdfc7eSAndroid Build Coastguard Worker tst_umount(MNTPOINT);
49*49cdfc7eSAndroid Build Coastguard Worker }
50*49cdfc7eSAndroid Build Coastguard Worker
51*49cdfc7eSAndroid Build Coastguard Worker static struct tst_test test = {
52*49cdfc7eSAndroid Build Coastguard Worker .needs_root = 1,
53*49cdfc7eSAndroid Build Coastguard Worker .format_device = 1,
54*49cdfc7eSAndroid Build Coastguard Worker .setup = setup,
55*49cdfc7eSAndroid Build Coastguard Worker .cleanup = cleanup,
56*49cdfc7eSAndroid Build Coastguard Worker .test_all = verify_umount,
57*49cdfc7eSAndroid Build Coastguard Worker };
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