io_cqring_wake(ctx);
}
+static inline void __io_cq_unlock_post_flush(struct io_ring_ctx *ctx)
+ __releases(ctx->completion_lock)
+{
+ io_commit_cqring(ctx);
+ __io_cq_unlock(ctx);
+ io_commit_cqring_flush(ctx);
+
+ /*
+ * As ->task_complete implies that the ring is single tasked, cq_wait
+ * may only be waited on by the current in io_cqring_wait(), but since
+ * it will re-check the wakeup conditions once we return we can safely
+ * skip waking it up.
+ */
+ if (!(ctx->flags & IORING_SETUP_DEFER_TASKRUN)) {
+ smp_mb();
+ __io_cqring_wake(ctx);
+ }
+}
+
void io_cq_unlock_post(struct io_ring_ctx *ctx)
__releases(ctx->completion_lock)
{
}
}
}
- __io_cq_unlock_post(ctx);
+ __io_cq_unlock_post_flush(ctx);
if (!wq_list_empty(&ctx->submit_state.compl_reqs)) {
io_free_batch_list(ctx, state->compl_reqs.first);