DMF_FROZEN       2554 drivers/md/dm.c 	set_bit(DMF_FROZEN, &md->flags);
DMF_FROZEN       2561 drivers/md/dm.c 	if (!test_bit(DMF_FROZEN, &md->flags))
DMF_FROZEN       2566 drivers/md/dm.c 	clear_bit(DMF_FROZEN, &md->flags);