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      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 
     29 static void setup(void);
     30 static void cleanup(void);
     31 
     32 char *TCID = "swapon01";
     33 int TST_TOTAL = 1;
     34 
     35 static long fs_type;
     36 
     37 static 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 
     59 int 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 
     77 static 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 
     99 static void cleanup(void)
    100 {
    101 	tst_rmdir();
    102 }
    103