QUEUE_FLAG_IO_STAT  623 include/linux/blkdev.h #define QUEUE_FLAG_MQ_DEFAULT	((1 << QUEUE_FLAG_IO_STAT) |		\
QUEUE_FLAG_IO_STAT  638 include/linux/blkdev.h #define blk_queue_io_stat(q)	test_bit(QUEUE_FLAG_IO_STAT, &(q)->queue_flags)