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 * Check that swapoff() succeeds.
20 */
21
22 #include <unistd.h>
23 #include "test.h"
24 #include <errno.h>
25 #include <stdlib.h>
26 #include "config.h"
27 #include "lapi/syscalls.h"
28
29 static void setup(void);
30 static void cleanup(void);
31 static void verify_swapoff(void);
32
33 char *TCID = "swapoff01";
34 int TST_TOTAL = 1;
35
36 static long fs_type;
37
main(int ac,char ** av)38 int main(int ac, char **av)
39 {
40 int lc;
41
42 tst_parse_opts(ac, av, NULL, NULL);
43
44 setup();
45
46 for (lc = 0; TEST_LOOPING(lc); lc++) {
47 tst_count = 0;
48 verify_swapoff();
49 }
50
51 cleanup();
52 tst_exit();
53 }
54
verify_swapoff(void)55 static void verify_swapoff(void)
56 {
57 if (ltp_syscall(__NR_swapon, "./swapfile01", 0) != 0) {
58 if (fs_type == TST_BTRFS_MAGIC && errno == EINVAL) {
59 tst_brkm(TCONF, cleanup,
60 "Swapfiles on BTRFS are not implemented");
61 }
62
63 tst_resm(TBROK, "Failed to turn on the swap file"
64 ", skipping test iteration");
65 return;
66 }
67
68 TEST(ltp_syscall(__NR_swapoff, "./swapfile01"));
69
70 if (TEST_RETURN == -1) {
71 tst_resm(TFAIL | TTERRNO, "Failed to turn off swapfile,"
72 " system reboot after execution of LTP "
73 "test suite is recommended.");
74 } else {
75 tst_resm(TPASS, "Succeeded to turn off swapfile");
76 }
77 }
78
setup(void)79 static void setup(void)
80 {
81 tst_sig(FORK, DEF_HANDLER, cleanup);
82
83 tst_require_root();
84
85 TEST_PAUSE;
86
87 tst_tmpdir();
88
89 switch ((fs_type = tst_fs_type(cleanup, "."))) {
90 case TST_NFS_MAGIC:
91 case TST_TMPFS_MAGIC:
92 tst_brkm(TCONF, cleanup,
93 "Cannot do swapoff on a file on %s filesystem",
94 tst_fs_type_name(fs_type));
95 break;
96 }
97
98 if (!tst_fs_has_free(NULL, ".", 64, TST_MB)) {
99 tst_brkm(TBROK, cleanup,
100 "Insufficient disk space to create swap file");
101 }
102
103 if (tst_fill_file("swapfile01", 0x00, 1024, 65536))
104 tst_brkm(TBROK, cleanup, "Failed to create file for swap");
105
106 if (system("mkswap swapfile01 > tmpfile 2>&1") != 0)
107 tst_brkm(TBROK, cleanup, "Failed to make swapfile");
108 }
109
cleanup(void)110 static void cleanup(void)
111 {
112 tst_rmdir();
113 }
114