trim fs/internal.h

some stuff in there can actually become static; some belongs to pnode.h
as it's a private interface between namespace.c and pnode.c...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/pnode.h b/fs/pnode.h
index 1ea4ae1..3912871 100644
--- a/fs/pnode.h
+++ b/fs/pnode.h
@@ -36,4 +36,10 @@
 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);
+unsigned int mnt_get_count(struct vfsmount *mnt);
+void mnt_set_mountpoint(struct vfsmount *, struct dentry *,
+			struct vfsmount *);
+void release_mounts(struct list_head *);
+void umount_tree(struct vfsmount *, int, struct list_head *);
+struct vfsmount *copy_tree(struct vfsmount *, struct dentry *, int);
 #endif /* _LINUX_PNODE_H */