1 #ifndef _NAMESPACE_H_
2 #define _NAMESPACE_H_
3 #ifdef __KERNEL__
4
5 #include <linux/path.h>
6 #include <linux/seq_file.h>
7 #include <linux/wait.h>
8
9 struct mnt_namespace {
10 atomic_t count;
11 struct vfsmount * root;
12 struct list_head list;
13 wait_queue_head_t poll;
14 int event;
15 };
16
17 struct proc_mounts {
18 struct seq_file m; /* must be the first element */
19 struct mnt_namespace *ns;
20 struct path root;
21 int event;
22 };
23
24 struct fs_struct;
25
26 extern struct mnt_namespace *create_mnt_ns(struct vfsmount *mnt);
27 extern struct mnt_namespace *copy_mnt_ns(unsigned long, struct mnt_namespace *,
28 struct fs_struct *);
29 extern void put_mnt_ns(struct mnt_namespace *ns);
30 static inline void get_mnt_ns(struct mnt_namespace *ns)
31 {
32 atomic_inc(&ns->count);
33 }
34
35 extern const struct seq_operations mounts_op;
36 extern const struct seq_operations mountinfo_op;
37 extern const struct seq_operations mountstats_op;
38
39 #endif
40 #endif
41
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