1/*
2 * Copyright (c) Wipro Technologies Ltd, 2002.  All Rights Reserved.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of version 2 of the GNU General Public License as
6 * published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it would be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
11 *
12 * You should have received a copy of the GNU General Public License along
13 * with this program; if not, write the Free Software Foundation, Inc.,
14 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
15 *
16 */
17
18 /*
19  * Checks that swapon() succeds with swapfile.
20  */
21
22#include <unistd.h>
23#include <errno.h>
24#include <stdlib.h>
25#include "test.h"
26#include "lapi/syscalls.h"
27#include "libswapon.h"
28
29static void setup(void);
30static void cleanup(void);
31
32char *TCID = "swapon01";
33int TST_TOTAL = 1;
34
35static long fs_type;
36
37static void verify_swapon(void)
38{
39	TEST(ltp_syscall(__NR_swapon, "./swapfile01", 0));
40
41	if (TEST_RETURN == -1) {
42		if (fs_type == TST_BTRFS_MAGIC && errno == EINVAL) {
43			tst_brkm(TCONF, cleanup,
44			         "Swapfile on BTRFS not implemeted");
45			return;
46		}
47		tst_resm(TFAIL | TTERRNO, "Failed to turn on swapfile");
48	} else {
49		tst_resm(TPASS, "Succeeded to turn on swapfile");
50		/*we need to turn this swap file off for -i option */
51		if (ltp_syscall(__NR_swapoff, "./swapfile01") != 0) {
52			tst_brkm(TBROK, cleanup, "Failed to turn off swapfile,"
53			         " system reboot after execution of LTP "
54				 "test suite is recommended.");
55		}
56	}
57}
58
59int main(int ac, char **av)
60{
61
62	int lc;
63
64	tst_parse_opts(ac, av, NULL, NULL);
65
66	setup();
67
68	for (lc = 0; TEST_LOOPING(lc); lc++) {
69		tst_count = 0;
70		verify_swapon();
71	}
72
73	cleanup();
74	tst_exit();
75}
76
77static void setup(void)
78{
79	tst_sig(FORK, DEF_HANDLER, cleanup);
80
81	tst_require_root();
82
83	TEST_PAUSE;
84
85	tst_tmpdir();
86
87	switch ((fs_type = tst_fs_type(cleanup, "."))) {
88	case TST_NFS_MAGIC:
89	case TST_TMPFS_MAGIC:
90		tst_brkm(TCONF, cleanup,
91			 "Cannot do swapon on a file on %s filesystem",
92			 tst_fs_type_name(fs_type));
93	break;
94	}
95
96	make_swapfile(cleanup, "swapfile01");
97}
98
99static void cleanup(void)
100{
101	tst_rmdir();
102}
103