#ifndef _NAMESPACE_H_
  #define _NAMESPACE_H_
  #ifdef __KERNEL__

  #include <linux/path.h>

  #include <linux/seq_file.h>

  #include <linux/wait.h>

  
  struct mnt_namespace {
  	atomic_t		count;
  	struct vfsmount *	root;
  	struct list_head	list;
  	wait_queue_head_t poll;
  	int event;
  };

  struct proc_mounts {
  	struct seq_file m; /* must be the first element */
  	struct mnt_namespace *ns;
  	struct path root;

  };

  struct fs_struct;

  extern struct mnt_namespace *create_mnt_ns(struct vfsmount *mnt);

  extern struct mnt_namespace *copy_mnt_ns(unsigned long, struct mnt_namespace *,

  		struct fs_struct *);

  extern void put_mnt_ns(struct mnt_namespace *ns);

  static inline void get_mnt_ns(struct mnt_namespace *ns)
  {
  	atomic_inc(&ns->count);
  }

  extern const struct seq_operations mounts_op;

  extern const struct seq_operations mountinfo_op;

  extern const struct seq_operations mountstats_op;

  extern int mnt_had_events(struct proc_mounts *);

  #endif
  #endif