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" },