discard_secure 1032 drivers/block/xen-blkback/blkback.c secure = (blkif->vbd.discard_secure && discard_secure 229 drivers/block/xen-blkback/common.h unsigned int discard_secure:1; discard_secure 496 drivers/block/xen-blkback/xenbus.c vbd->discard_secure = true; discard_secure 574 drivers/block/xen-blkback/xenbus.c blkif->vbd.discard_secure);