256 	unsigned first = i->sector >> (AL_EXTENT_SHIFT-9);  in drbd_al_begin_io_fastpath()  local
257 	unsigned last = i->size == 0 ? first : (i->sector + (i->size >> 9) - 1) >> (AL_EXTENT_SHIFT-9);  in drbd_al_begin_io_fastpath()
259 	D_ASSERT(device, (unsigned)(last - first) <= 1);  in drbd_al_begin_io_fastpath()
263 	if (first != last)  in drbd_al_begin_io_fastpath()
266 	return _al_get(device, first, true);  in drbd_al_begin_io_fastpath()
273 	unsigned first = i->sector >> (AL_EXTENT_SHIFT-9);  in drbd_al_begin_io_prepare()  local
274 	unsigned last = i->size == 0 ? first : (i->sector + (i->size >> 9) - 1) >> (AL_EXTENT_SHIFT-9);  in drbd_al_begin_io_prepare()
278 	D_ASSERT(device, first <= last);  in drbd_al_begin_io_prepare()
281 	for (enr = first; enr <= last; enr++) {  in drbd_al_begin_io_prepare()
343 	unsigned first = i->sector >> (AL_EXTENT_SHIFT-9);  in drbd_al_begin_io_nonblock()  local
344 	unsigned last = i->size == 0 ? first : (i->sector + (i->size >> 9) - 1) >> (AL_EXTENT_SHIFT-9);  in drbd_al_begin_io_nonblock()
349 	D_ASSERT(device, first <= last);  in drbd_al_begin_io_nonblock()
351 	nr_al_extents = 1 + last - first; /* worst case: all touched extends are cold. */  in drbd_al_begin_io_nonblock()
373 	for (enr = first; enr <= last; enr++) {  in drbd_al_begin_io_nonblock()
389 	for (enr = first; enr <= last; enr++) {  in drbd_al_begin_io_nonblock()
402 	unsigned first = i->sector >> (AL_EXTENT_SHIFT-9);  in drbd_al_complete_io()  local
403 	unsigned last = i->size == 0 ? first : (i->sector + (i->size >> 9) - 1) >> (AL_EXTENT_SHIFT-9);  in drbd_al_complete_io()
408 	D_ASSERT(device, first <= last);  in drbd_al_complete_io()
411 	for (enr = first; enr <= last; enr++) {  in drbd_al_complete_io()