| /* |
| * Copyright (c) Wipro Technologies Ltd, 2002. All Rights Reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of version 2 of the GNU General Public License as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it would be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, write the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| */ |
| |
| /* |
| * Check that swapoff() succeeds. |
| */ |
| |
| #include <unistd.h> |
| #include "test.h" |
| #include <errno.h> |
| #include <stdlib.h> |
| #include "config.h" |
| #include "lapi/syscalls.h" |
| |
| static void setup(void); |
| static void cleanup(void); |
| static void verify_swapoff(void); |
| |
| char *TCID = "swapoff01"; |
| int TST_TOTAL = 1; |
| |
| static long fs_type; |
| |
| int main(int ac, char **av) |
| { |
| int lc; |
| |
| tst_parse_opts(ac, av, NULL, NULL); |
| |
| setup(); |
| |
| for (lc = 0; TEST_LOOPING(lc); lc++) { |
| tst_count = 0; |
| verify_swapoff(); |
| } |
| |
| cleanup(); |
| tst_exit(); |
| } |
| |
| static void verify_swapoff(void) |
| { |
| if (ltp_syscall(__NR_swapon, "./swapfile01", 0) != 0) { |
| if (fs_type == TST_BTRFS_MAGIC && errno == EINVAL) { |
| tst_brkm(TCONF, cleanup, |
| "Swapfiles on BTRFS are not implemented"); |
| } |
| |
| tst_resm(TBROK, "Failed to turn on the swap file" |
| ", skipping test iteration"); |
| return; |
| } |
| |
| TEST(ltp_syscall(__NR_swapoff, "./swapfile01")); |
| |
| if (TEST_RETURN == -1) { |
| tst_resm(TFAIL | TTERRNO, "Failed to turn off swapfile," |
| " system reboot after execution of LTP " |
| "test suite is recommended."); |
| } else { |
| tst_resm(TPASS, "Succeeded to turn off swapfile"); |
| } |
| } |
| |
| static void setup(void) |
| { |
| tst_sig(FORK, DEF_HANDLER, cleanup); |
| |
| tst_require_root(); |
| |
| TEST_PAUSE; |
| |
| tst_tmpdir(); |
| |
| switch ((fs_type = tst_fs_type(cleanup, "."))) { |
| case TST_NFS_MAGIC: |
| case TST_TMPFS_MAGIC: |
| tst_brkm(TCONF, cleanup, |
| "Cannot do swapoff on a file on %s filesystem", |
| tst_fs_type_name(fs_type)); |
| break; |
| } |
| |
| if (!tst_fs_has_free(NULL, ".", 64, TST_MB)) { |
| tst_brkm(TBROK, cleanup, |
| "Insufficient disk space to create swap file"); |
| } |
| |
| if (tst_fill_file("swapfile01", 0x00, 1024, 65536)) |
| tst_brkm(TBROK, cleanup, "Failed to create file for swap"); |
| |
| if (system("mkswap swapfile01 > tmpfile 2>&1") != 0) |
| tst_brkm(TBROK, cleanup, "Failed to make swapfile"); |
| } |
| |
| static void cleanup(void) |
| { |
| tst_rmdir(); |
| } |