+extern int afs_fs_store_data(struct afs_server *, struct afs_writeback *,
+ pgoff_t, pgoff_t, unsigned, unsigned,
+ const struct afs_wait_mode *);
+extern int afs_fs_setattr(struct afs_server *, struct key *,
+ struct afs_vnode *, struct iattr *,
+ const struct afs_wait_mode *);
+extern int afs_fs_get_volume_status(struct afs_server *, struct key *,
+ struct afs_vnode *,
+ struct afs_volume_status *,
+ const struct afs_wait_mode *);
+extern int afs_fs_set_lock(struct afs_server *, struct key *,
+ struct afs_vnode *, afs_lock_type_t,
+ const struct afs_wait_mode *);
+extern int afs_fs_extend_lock(struct afs_server *, struct key *,
+ struct afs_vnode *,
+ const struct afs_wait_mode *);
+extern int afs_fs_release_lock(struct afs_server *, struct key *,
+ struct afs_vnode *,
+ const struct afs_wait_mode *);