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/*
* Copyright (c) 2013 Oracle and/or its affiliates. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* 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. See the
* GNU General Public License for more details.
*
* 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Author: Stanislav Kholmanskikh <stanislav.kholmanskikh@oracle.com>
*
*/
#include <errno.h>
#include "lapi/syscalls.h"
#include "test.h"
#include "libswapon.h"
/*
* Make a swap file
*/
int make_swapfile(void (cleanup)(void), const char *swapfile, int safe)
{
if (!tst_fs_has_free(NULL, ".", sysconf(_SC_PAGESIZE) * 10,
TST_BYTES)) {
tst_brkm(TBROK, cleanup,
"Insufficient disk space to create swap file");
}
/* create file */
if (tst_fill_file(swapfile, 0,
sysconf(_SC_PAGESIZE), 10) != 0) {
tst_brkm(TBROK, cleanup, "Failed to create swapfile");
}
/* make the file swapfile */
const char *argv[2 + 1];
argv[0] = "mkswap";
argv[1] = swapfile;
argv[2] = NULL;
return tst_cmd(cleanup, argv, "/dev/null", "/dev/null", safe);
}
/*
* Check swapon/swapoff support status of filesystems or files
* we are testing on.
*/
void is_swap_supported(void (cleanup)(void), const char *filename)
{
int fibmap = tst_fibmap(filename);
long fs_type = tst_fs_type(cleanup, filename);
const char *fstype = tst_fs_type_name(fs_type);
int ret = make_swapfile(NULL, filename, 1);
if (ret != 0) {
if (fibmap == 1) {
tst_brkm(TCONF, cleanup,
"mkswap on %s not supported", fstype);
} else {
tst_brkm(TFAIL, cleanup,
"mkswap on %s failed", fstype);
}
}
TEST(ltp_syscall(__NR_swapon, filename, 0));
if (TEST_RETURN == -1) {
if (fibmap == 1 && errno == EINVAL) {
tst_brkm(TCONF, cleanup,
"Swapfile on %s not implemented", fstype);
} else {
tst_brkm(TFAIL | TERRNO, cleanup,
"swapon on %s failed", fstype);
}
}
TEST(ltp_syscall(__NR_swapoff, filename, 0));
if (TEST_RETURN == -1) {
tst_brkm(TFAIL | TTERRNO, cleanup,
"swapoff on %s failed", fstype);
}
}
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