--- a/src/core/ngx_file.h
+++ b/src/core/ngx_file.h
@@ -84,7 +84,7 @@ ssize_t ngx_write_chain_to_temp_file(ngx
 ngx_int_t ngx_create_temp_file(ngx_file_t *file, ngx_path_t *path,
     ngx_pool_t *pool, ngx_uint_t persistent, ngx_uint_t clean,
     ngx_uint_t access);
-void ngx_create_hashed_filename(ngx_file_t *file, ngx_path_t *path);
+void ngx_create_hashed_filename(ngx_path_t *path, u_char *file, size_t len);
 ngx_int_t ngx_create_path(ngx_file_t *file, ngx_path_t *path);
 ngx_err_t ngx_create_full_path(u_char *dir, ngx_uint_t access);
 ngx_int_t ngx_add_path(ngx_conf_t *cf, ngx_path_t **slot);