diff options
| -rw-r--r-- | fs/io-wq.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/io-wq.c b/fs/io-wq.c index 1e5b41614bd6..7a1d51c1aca9 100644 --- a/fs/io-wq.c +++ b/fs/io-wq.c @@ -119,6 +119,7 @@ struct io_wq { refcount_t refs; struct completion started; + struct completion exited; atomic_t worker_refs; struct completion worker_done; @@ -771,6 +772,7 @@ static int io_wq_manager(void *data) if (atomic_read(&wq->worker_refs)) wait_for_completion(&wq->worker_done); wq->manager = NULL; + complete(&wq->exited); io_wq_put(wq); do_exit(0); } @@ -1066,6 +1068,7 @@ struct io_wq *io_wq_create(unsigned bounded, struct io_wq_data *data) wq->task_pid = current->pid; init_completion(&wq->started); + init_completion(&wq->exited); refcount_set(&wq->refs, 1); init_completion(&wq->worker_done); @@ -1095,8 +1098,10 @@ static void io_wq_destroy(struct io_wq *wq) cpuhp_state_remove_instance_nocalls(io_wq_online, &wq->cpuhp_node); set_bit(IO_WQ_BIT_EXIT, &wq->state); - if (wq->manager) + if (wq->manager) { wake_up_process(wq->manager); + wait_for_completion(&wq->exited); + } spin_lock_irq(&wq->hash->wait.lock); for_each_node(node) { |