From patchwork Fri Aug 19 15:27:36 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hao Xu X-Patchwork-Id: 12948883 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C6180C32771 for ; Fri, 19 Aug 2022 15:30:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349577AbiHSPaV (ORCPT ); Fri, 19 Aug 2022 11:30:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49870 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349501AbiHSPaU (ORCPT ); Fri, 19 Aug 2022 11:30:20 -0400 Received: from out1.migadu.com (out1.migadu.com [IPv6:2001:41d0:2:863f::]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C9773100960 for ; Fri, 19 Aug 2022 08:30:18 -0700 (PDT) X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1660923017; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=BaOSqMP3kdrzOOmzv/EVzRkvK1ACxkPU8HvJac4cKRs=; b=KS0m+wFy1HFNHLpuwsKKezC8pkR4Kk02akrucJdscxWwLtaMbVJhdeEdCVBFpJnUlULJiN 4MFyK/faxpXQxfn4H96DMq0YCi82Lgl+Hw6mRAbyITge1hnl5eNPis10TvtfLe4ZNnrriG qrPfMBXbb+xxdCifrI/Cpwoj7k0zoxk= From: Hao Xu To: io-uring@vger.kernel.org Cc: Jens Axboe , Pavel Begunkov , Ingo Molnar , Wanpeng Li Subject: [PATCH 17/19] io_uring: disable task plug for now Date: Fri, 19 Aug 2022 23:27:36 +0800 Message-Id: <20220819152738.1111255-18-hao.xu@linux.dev> In-Reply-To: <20220819152738.1111255-1-hao.xu@linux.dev> References: <20220819152738.1111255-1-hao.xu@linux.dev> MIME-Version: 1.0 X-Migadu-Flow: FLOW_OUT X-Migadu-Auth-User: linux.dev Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org From: Hao Xu This is a temporary commit, the task plug causes hung and the reason is unclear for now. So disable it in uringlet mode for now. Signed-off-by: Hao Xu --- io_uring/io_uring.c | 1 + 1 file changed, 1 insertion(+) diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index bbe8948f4771..a48e34f63845 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -2171,6 +2171,7 @@ int io_submit_sqes_let(struct io_wq_work *work) io_get_task_refs(entries); io_submit_state_start(&ctx->submit_state, entries); + ctx->submit_state->need_plug = false; do { const struct io_uring_sqe *sqe; struct io_kiocb *req;