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
sys_fsopen(const char * fsname,unsigned int flags)12 static inline int sys_fsopen(const char *fsname, unsigned int flags)
13 {
14 return syscall(__NR_fsopen, fsname, flags);
15 }
16
sys_fsconfig(int fd,unsigned int cmd,const char * key,const char * value,int aux)17 static 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
sys_fsmount(int fd,unsigned int flags,unsigned int attr_flags)23 static 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
sys_mount(const char * src,const char * tgt,const char * fst,unsigned long flags,const void * data)29 static 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
sys_move_mount(int from_dfd,const char * from_pathname,int to_dfd,const char * to_pathname,unsigned int flags)39 static 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
48