diff options
Diffstat (limited to 'io_uring/io-wq.c')
| -rw-r--r-- | io_uring/io-wq.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/io_uring/io-wq.c b/io_uring/io-wq.c index 399e9a15c38d..2c03bc881edf 100644 --- a/io_uring/io-wq.c +++ b/io_uring/io-wq.c @@ -174,6 +174,16 @@ static void io_worker_ref_put(struct io_wq *wq) complete(&wq->worker_done); } +bool io_wq_worker_stopped(void) +{ + struct io_worker *worker = current->worker_private; + + if (WARN_ON_ONCE(!io_wq_current_is_worker())) + return true; + + return test_bit(IO_WQ_BIT_EXIT, &worker->wq->state); +} + static void io_worker_cancel_cb(struct io_worker *worker) { struct io_wq_acct *acct = io_wq_get_acct(worker); @@ -1285,13 +1295,16 @@ static int io_wq_cpu_offline(unsigned int cpu, struct hlist_node *node) return __io_wq_cpu_online(wq, cpu, false); } -int io_wq_cpu_affinity(struct io_wq *wq, cpumask_var_t mask) +int io_wq_cpu_affinity(struct io_uring_task *tctx, cpumask_var_t mask) { + if (!tctx || !tctx->io_wq) + return -EINVAL; + rcu_read_lock(); if (mask) - cpumask_copy(wq->cpu_mask, mask); + cpumask_copy(tctx->io_wq->cpu_mask, mask); else - cpumask_copy(wq->cpu_mask, cpu_possible_mask); + cpumask_copy(tctx->io_wq->cpu_mask, cpu_possible_mask); rcu_read_unlock(); return 0; |