BLK_TC_DISCARD    238 kernel/trace/blktrace.c 		what |= BLK_TC_ACT(BLK_TC_DISCARD);
BLK_TC_DISCARD   1191 kernel/trace/blktrace.c 	if (tc & BLK_TC_DISCARD)
BLK_TC_DISCARD   1728 kernel/trace/blktrace.c 	{ BLK_TC_DISCARD,	"discard"	},