__set_blocks
__set_blocks(i, (i)->keys, block_bytes)
__set_blocks(b->keys.set[0].data, keys,
if (__set_blocks(n1, n1->keys + keys +
if (__set_blocks(n1, n1->keys + n2->keys,
BUG_ON(__set_blocks(n1, n1->keys + keys, block_bytes(b->c->cache)) >
sectors = __set_blocks(w->data, w->data->keys + nkeys,