zero_area         118 drivers/md/dm-snap-persistent.c 	void *zero_area;
zero_area         182 drivers/md/dm-snap-persistent.c 	ps->zero_area = vzalloc(len);
zero_area         183 drivers/md/dm-snap-persistent.c 	if (!ps->zero_area)
zero_area         193 drivers/md/dm-snap-persistent.c 	vfree(ps->zero_area);
zero_area         206 drivers/md/dm-snap-persistent.c 	vfree(ps->zero_area);
zero_area         207 drivers/md/dm-snap-persistent.c 	ps->zero_area = NULL;
zero_area         306 drivers/md/dm-snap-persistent.c 	return chunk_io(ps, ps->zero_area, area_location(ps, area),
zero_area         867 drivers/md/dm-snap-persistent.c 	ps->zero_area = NULL;