int lov_page_init_empty (const struct lu_env *env, struct cl_object *obj,
struct cl_page *page, pgoff_t index);
int lov_page_init_composite(const struct lu_env *env, struct cl_object *obj,
struct cl_page *page, pgoff_t index);
int lov_page_init_empty (const struct lu_env *env, struct cl_object *obj,
struct cl_page *page, pgoff_t index);
int lov_page_init_composite(const struct lu_env *env, struct cl_object *obj,
struct cl_page *page, pgoff_t index);