1// SPDX-License-Identifier: GPL-2.0
 2//
 3#ifndef __SELFTEST_OVERLAYFS_WRAPPERS_H__
 4#define __SELFTEST_OVERLAYFS_WRAPPERS_H__
 5
 6#define _GNU_SOURCE
 7
 8#include <linux/types.h>
 9#include <linux/mount.h>
10#include <sys/syscall.h>
11
12static inline int sys_fsopen(const char *fsname, unsigned int flags)
13{
14	return syscall(__NR_fsopen, fsname, flags);
15}
16
17static inline int sys_fsconfig(int fd, unsigned int cmd, const char *key,
18			       const char *value, int aux)
19{
20	return syscall(__NR_fsconfig, fd, cmd, key, value, aux);
21}
22
23static inline int sys_fsmount(int fd, unsigned int flags,
24			      unsigned int attr_flags)
25{
26	return syscall(__NR_fsmount, fd, flags, attr_flags);
27}
28
29static inline int sys_mount(const char *src, const char *tgt, const char *fst,
30			    unsigned long flags, const void *data)
31{
32	return syscall(__NR_mount, src, tgt, fst, flags, data);
33}
34
35#ifndef MOVE_MOUNT_F_EMPTY_PATH
36#define MOVE_MOUNT_F_EMPTY_PATH 0x00000004 /* Empty from path permitted */
37#endif
38
39static inline int sys_move_mount(int from_dfd, const char *from_pathname,
40				 int to_dfd, const char *to_pathname,
41				 unsigned int flags)
42{
43	return syscall(__NR_move_mount, from_dfd, from_pathname, to_dfd,
44		       to_pathname, flags);
45}
46
47#endif