discard_parent 1080 drivers/md/dm-thin.c struct bio *discard_parent) discard_parent 1093 drivers/md/dm-thin.c begin_discard(&op, tc, discard_parent); discard_parent 1154 drivers/md/dm-thin.c struct bio *discard_parent; discard_parent 1184 drivers/md/dm-thin.c discard_parent = bio_alloc(GFP_NOIO, 1); discard_parent 1185 drivers/md/dm-thin.c if (!discard_parent) { discard_parent 1191 drivers/md/dm-thin.c discard_parent->bi_end_io = passdown_endio; discard_parent 1192 drivers/md/dm-thin.c discard_parent->bi_private = m; discard_parent 1195 drivers/md/dm-thin.c passdown_double_checking_shared_status(m, discard_parent); discard_parent 1199 drivers/md/dm-thin.c begin_discard(&op, tc, discard_parent);