diff --git a/io_uring/rw.c b/io_uring/rw.c index 61c326831949..1ce065709724 100644 --- a/io_uring/rw.c +++ b/io_uring/rw.c @@ -1049,7 +1049,6 @@ int io_do_iopoll(struct io_ring_ctx *ctx, bool force_nonspin) else if (!pos) return 0; - spin_lock(&ctx->completion_lock); prev = start; wq_list_for_each_resume(pos, prev) { struct io_kiocb *req = container_of(pos, struct io_kiocb, comp_list); @@ -1064,11 +1063,11 @@ int io_do_iopoll(struct io_ring_ctx *ctx, bool force_nonspin) req->cqe.flags = io_put_kbuf(req, 0); __io_fill_cqe_req(req->ctx, req); } - io_commit_cqring(ctx); - spin_unlock(&ctx->completion_lock); + if (unlikely(!nr_events)) return 0; + io_commit_cqring(ctx); io_cqring_ev_posted_iopoll(ctx); pos = start ? start->next : ctx->iopoll_list.first; wq_list_cut(&ctx->iopoll_list, prev, start);