do_origin 1576 drivers/md/dm-snap.c static int do_origin(struct dm_dev *origin, struct bio *bio, bool limit); do_origin 1589 drivers/md/dm-snap.c r = do_origin(s->origin, bio, false); do_origin 2166 drivers/md/dm-snap.c return do_origin(s->origin, bio, false); do_origin 2671 drivers/md/dm-snap.c return do_origin(o->dev, bio, true);