const struct cl_io_slice *ios,
struct cl_page_list *qin, int from, int to,
cl_commit_cbt cb);
+void osc_io_extent_release(const struct lu_env *env,
+ const struct cl_io_slice *ios);
int osc_io_iter_init(const struct lu_env *env, const struct cl_io_slice *ios);
void osc_io_iter_fini(const struct lu_env *env,
const struct cl_io_slice *ios);