__BLK_TA_PLUG      81 include/uapi/linux/blktrace_api.h #define BLK_TA_PLUG		(__BLK_TA_PLUG | BLK_TC_ACT(BLK_TC_QUEUE))
__BLK_TA_PLUG    1495 kernel/trace/blktrace.c 	[__BLK_TA_PLUG]		= {{  "P", "plug" },	   blk_log_plug },