-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 put_mnt_ns(struct mnt_namespace *ns)
-{
- if (atomic_dec_and_lock(&ns->count, &vfsmount_lock))
- /* releases vfsmount_lock */
- __put_mnt_ns(ns);
-}