317 	spin_lock_init(&ctx->completion_lock);  in io_ring_ctx_alloc()
551 	spin_lock(&ctx->completion_lock);  in io_eventfd_flush_signal()
563 	spin_unlock(&ctx->completion_lock);  in io_eventfd_flush_signal()
573 		spin_lock(&ctx->completion_lock);  in __io_commit_cqring_flush()
578 		spin_unlock(&ctx->completion_lock);  in __io_commit_cqring_flush()
591 	__releases(ctx->completion_lock)  in __io_cq_unlock_post()
594 	spin_unlock(&ctx->completion_lock);  in __io_cq_unlock_post()
905 	spin_lock(&ctx->completion_lock);  in io_flush_cached_locked_reqs()
908 	spin_unlock(&ctx->completion_lock);  in io_flush_cached_locked_reqs()
976 	spin_lock(&ctx->completion_lock);  in io_free_req()
979 	spin_unlock(&ctx->completion_lock);  in io_free_req()
1645 	spin_lock(&ctx->completion_lock);  in io_drain_req()
1647 		spin_unlock(&ctx->completion_lock);  in io_drain_req()
1653 	spin_unlock(&ctx->completion_lock);  in io_drain_req()
1668 	spin_lock(&ctx->completion_lock);  in io_drain_req()
1670 		spin_unlock(&ctx->completion_lock);  in io_drain_req()
1679 	spin_unlock(&ctx->completion_lock);  in io_drain_req()
1685 		spin_lock(&req->ctx->completion_lock);  in io_clean_op()
1687 		spin_unlock(&req->ctx->completion_lock);  in io_clean_op()
2537 	spin_lock(&ctx->completion_lock);  in io_eventfd_register()
2539 	spin_unlock(&ctx->completion_lock);  in io_eventfd_register()
2793 	spin_lock(&ctx->completion_lock);  in io_ring_exit_work()
2794 	spin_unlock(&ctx->completion_lock);  in io_ring_exit_work()
2860 	spin_lock(&ctx->completion_lock);  in io_cancel_defer_files()
2867 	spin_unlock(&ctx->completion_lock);  in io_cancel_defer_files()