#include <linux/errno.h>
-struct pts_fs_info;
-
#ifdef CONFIG_UNIX98_PTYS
-/* Look up a pts fs info and get a ref to it */
-struct pts_fs_info *devpts_get_ref(struct inode *, struct file *);
-void devpts_put_ref(struct pts_fs_info *);
+struct pts_fs_info;
+
+struct pts_fs_info *devpts_acquire(struct file *);
+void devpts_release(struct pts_fs_info *);
int devpts_new_index(struct pts_fs_info *);
void devpts_kill_index(struct pts_fs_info *, int);