QUEUE_FLAG_POLL_STATS 3345 block/blk-mq.c if (test_bit(QUEUE_FLAG_POLL_STATS, &q->queue_flags) || QUEUE_FLAG_POLL_STATS 3346 block/blk-mq.c blk_queue_flag_test_and_set(QUEUE_FLAG_POLL_STATS, q)) QUEUE_FLAG_POLL_STATS 3358 block/blk-mq.c if (!test_bit(QUEUE_FLAG_POLL_STATS, &q->queue_flags) || QUEUE_FLAG_POLL_STATS 888 block/blk-sysfs.c if (test_bit(QUEUE_FLAG_POLL_STATS, &q->queue_flags))