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 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 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 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 } 109 110 static void cleanup(void) 111 { 112 tst_rmdir(); 113 } 114