__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 },