diff options
Diffstat (limited to 'fs')
-rw-r--r-- | fs/io-wq.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/fs/io-wq.c b/fs/io-wq.c index 5551272cf553..b1c093de9723 100644 --- a/fs/io-wq.c +++ b/fs/io-wq.c @@ -329,6 +329,8 @@ static void __io_worker_busy(struct io_wqe *wqe, struct io_worker *worker, { bool worker_bound, work_bound; + BUILD_BUG_ON((IO_WQ_ACCT_UNBOUND ^ IO_WQ_ACCT_BOUND) != 1); + if (worker->flags & IO_WORKER_F_FREE) { worker->flags &= ~IO_WORKER_F_FREE; hlist_nulls_del_init_rcu(&worker->nulls_node); @@ -341,16 +343,11 @@ static void __io_worker_busy(struct io_wqe *wqe, struct io_worker *worker, worker_bound = (worker->flags & IO_WORKER_F_BOUND) != 0; work_bound = (work->flags & IO_WQ_WORK_UNBOUND) == 0; if (worker_bound != work_bound) { + int index = work_bound ? IO_WQ_ACCT_UNBOUND : IO_WQ_ACCT_BOUND; io_wqe_dec_running(worker); - if (work_bound) { - worker->flags |= IO_WORKER_F_BOUND; - wqe->acct[IO_WQ_ACCT_UNBOUND].nr_workers--; - wqe->acct[IO_WQ_ACCT_BOUND].nr_workers++; - } else { - worker->flags &= ~IO_WORKER_F_BOUND; - wqe->acct[IO_WQ_ACCT_UNBOUND].nr_workers++; - wqe->acct[IO_WQ_ACCT_BOUND].nr_workers--; - } + worker->flags ^= IO_WORKER_F_BOUND; + wqe->acct[index].nr_workers--; + wqe->acct[index ^ 1].nr_workers++; io_wqe_inc_running(worker); } } |