WORK_HIGH_PRIO_BIT 367 fs/btrfs/async-thread.c if (test_bit(WORK_HIGH_PRIO_BIT, &work->flags) && wq->high) WORK_HIGH_PRIO_BIT 403 fs/btrfs/async-thread.c set_bit(WORK_HIGH_PRIO_BIT, &work->flags);