1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _NAMESPACE_H_
3 #define _NAMESPACE_H_
4 #ifdef __KERNEL__
5 
6 struct mnt_namespace;
7 struct fs_struct;
8 struct user_namespace;
9 struct ns_common;
10 
11 extern struct mnt_namespace *copy_mnt_ns(unsigned long, struct mnt_namespace *,
12 		struct user_namespace *, struct fs_struct *);
13 extern void put_mnt_ns(struct mnt_namespace *ns);
14 extern struct ns_common *from_mnt_ns(struct mnt_namespace *);
15 
16 extern const struct file_operations proc_mounts_operations;
17 extern const struct file_operations proc_mountinfo_operations;
18 extern const struct file_operations proc_mountstats_operations;
19 
20 #endif
21 #endif
22