BTRFS_ROOT_DEFRAG_RUNNING 1282 fs/btrfs/transaction.c if (test_and_set_bit(BTRFS_ROOT_DEFRAG_RUNNING, &root->state)) BTRFS_ROOT_DEFRAG_RUNNING 1305 fs/btrfs/transaction.c clear_bit(BTRFS_ROOT_DEFRAG_RUNNING, &root->state);