1 /*
2 * Copyright (c) 2014 Fujitsu Ltd.
3 * Author: Xiaoguang Wang <wangxg.fnst@cn.fujitsu.com>
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it would be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12 *
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write the Free Software Foundation, Inc.,
15 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
16 */
17
18 /*
19 * DESCRIPTION
20 * Check if the mounted file system has enough free space,
21 * if it is, tst_fs_has_free() returns 1, otherwise 0.
22 */
23
24 #include <stdint.h>
25 #include <sys/vfs.h>
26 #include "test.h"
27 #include "tst_fs.h"
28
tst_fs_has_free_(void (* cleanup)(void),const char * path,unsigned int size,unsigned int mult)29 int tst_fs_has_free_(void (*cleanup)(void), const char *path,
30 unsigned int size, unsigned int mult)
31 {
32 struct statfs sf;
33
34 if (statfs(path, &sf)) {
35 tst_brkm(TBROK | TERRNO, cleanup,
36 "tst_fs_has_free: failed to statfs(%s)", path);
37 return 0;
38 }
39
40 if ((uint64_t)sf.f_bavail * sf.f_bsize >= (uint64_t)size * mult)
41 return 1;
42
43 return 0;
44 }
45