/*
   *  linux/fs/pnode.h
   *
   * (C) Copyright IBM Corporation 2005.
   *	Released under GPL v2.
   *
   */
  #ifndef _LINUX_PNODE_H
  #define _LINUX_PNODE_H
  
  #include <linux/list.h>
  #include <linux/mount.h>

  
  #define IS_MNT_SHARED(mnt) (mnt->mnt_flags & MNT_SHARED)

  #define IS_MNT_SLAVE(mnt) (mnt->mnt_master)

  #define IS_MNT_NEW(mnt)  (!mnt->mnt_ns)

  #define CLEAR_MNT_SHARED(mnt) (mnt->mnt_flags &= ~MNT_SHARED)

  #define IS_MNT_UNBINDABLE(mnt) (mnt->mnt_flags & MNT_UNBINDABLE)

  #define CL_EXPIRE    		0x01

  #define CL_SLAVE     		0x02

  #define CL_COPY_ALL 		0x04
  #define CL_MAKE_SHARED 		0x08

  #define CL_PRIVATE 		0x10

  
  static inline void set_mnt_shared(struct vfsmount *mnt)
  {

  	mnt->mnt_flags &= ~MNT_SHARED_MASK;

  	mnt->mnt_flags |= MNT_SHARED;
  }

  void change_mnt_propagation(struct vfsmount *, int);

  int propagate_mnt(struct vfsmount *, struct dentry *, struct vfsmount *,
  		struct list_head *);

  int propagate_umount(struct list_head *);
  int propagate_mount_busy(struct vfsmount *, int);

  void mnt_release_group_id(struct vfsmount *);

  int get_dominating_id(struct vfsmount *mnt, const struct path *root);

  #endif /* _LINUX_PNODE_H */