NULLB_DEV_FL_THROTTLED 1219 drivers/block/null_blk_main.c if (test_bit(NULLB_DEV_FL_THROTTLED, &dev->flags)) { NULLB_DEV_FL_THROTTLED 1400 drivers/block/null_blk_main.c if (test_bit(NULLB_DEV_FL_THROTTLED, &nullb->dev->flags)) { NULLB_DEV_FL_THROTTLED 1688 drivers/block/null_blk_main.c set_bit(NULLB_DEV_FL_THROTTLED, &dev->flags);