From mboxrd@z Thu Jan 1 00:00:00 1970 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 E9347CCA47F for ; Tue, 14 Jun 2022 16:52:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1350547AbiFNQwd (ORCPT ); Tue, 14 Jun 2022 12:52:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40830 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347101AbiFNQv4 (ORCPT ); Tue, 14 Jun 2022 12:51:56 -0400 Received: from mail-wr1-x42f.google.com (mail-wr1-x42f.google.com [IPv6:2a00:1450:4864:20::42f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B92A744A39 for ; Tue, 14 Jun 2022 09:51:54 -0700 (PDT) Received: by mail-wr1-x42f.google.com with SMTP id a15so12086094wrh.2 for ; Tue, 14 Jun 2022 09:51:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Bpz2H2uL6fwUuLZIR0Rv8LzJ0bYssJU2SnKsu8OMW0E=; b=U5niuB8SCrmkEV+lIWf3w/7IGjTwJmBkxz54KLIc/9ihYDFIwBkUbg/Bagij+ySLBA 9Io2j9tTAHvlzDgRaVk4hfmb7K4Z9TRQJVx2At8Dlwk0DleNCP0VYqi4ZeZ8wjlkqgID dzUDf1QmsmnAMMbz6Fty+yD1nnVXdrJidMSpusqI04cj3wjPChhkc7kG+vTvOeIuqtYx 46hJju56pas/pjLvffIUukwSp9f2tYF+50OmZI4Puk9+jCZiKSVCn4jYifx9dNl7hPp4 1JLFVcun3t6nUM8PEPjejQo+G9qjYz31/CmCdn3d+zEqf01zKQHaKrOhcs/Kq7zF8m4N okCg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Bpz2H2uL6fwUuLZIR0Rv8LzJ0bYssJU2SnKsu8OMW0E=; b=x57mRTTwO4hPm7T6dCBp9g/Ztbnrdu5nqTSx7JZArpEaLiEwgMykZZyC9M+OmutIC7 bUaYPQbRmsf1ZZEmpGgVpZ1KDM9ZyYSsyQ43Ec04FkV99ReA7UdzSs7NcLD91T3RkXrO rlS89KhIa6dUrn0Lvyqd0qZwAKkHTwtBvDTqcyNB1+gnHV/wsqi8UDwPQJdmELaTGIMO e9Kd/UF93qKZyGxRDy6XgGn2egMias0LIJrvcsaxBvbxGq14+XAWrI6O3r+7LIwV77vd VtkloTQHOdNEiF8lqsrxn5Mj0BSt15Lo2FbQGTBlchkc/yOaLLF2rSTpNB6uNXQf6v4e tuIw== X-Gm-Message-State: AJIora8MirEJBSHSArbpspILrL9zkLsE2yBM0gg6VYAEabCvZCfjumjC jJxUEYqh5ICwLV4m5U31t/LsOBztFA7jhg== X-Google-Smtp-Source: AGRyM1uUAgpXLf3DS9HKH/Xbh6NvvaiwLl85m4XXMDZ2v9bTG57sgmQaM+s7Gi88hs2DX4XvGZKv0w== X-Received: by 2002:a05:6000:1686:b0:219:b932:ffba with SMTP id y6-20020a056000168600b00219b932ffbamr5933704wrd.227.1655225513058; Tue, 14 Jun 2022 09:51:53 -0700 (PDT) Received: from 127.0.0.1localhost (188.28.125.106.threembb.co.uk. [188.28.125.106]) by smtp.gmail.com with ESMTPSA id z16-20020adfec90000000b0020cff559b1dsm12648966wrn.47.2022.06.14.09.51.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Jun 2022 09:51:52 -0700 (PDT) From: Pavel Begunkov To: io-uring@vger.kernel.org Cc: Jens Axboe , asml.silence@gmail.com Subject: [PATCH 5.19 1/3] Revert "io_uring: support CQE32 for nop operation" Date: Tue, 14 Jun 2022 17:51:16 +0100 Message-Id: <5ff623d84ccb4b3f3b92a3ea41cdcfa612f3d96f.1655224415.git.asml.silence@gmail.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org This reverts commit 2bb04df7c2af9dad5d28771c723bc39b01cf7df4. CQE32 nops were used for debugging and benchmarking but it doesn't target any real use case. Revert it, we can return it back if someone finds a good way to use it. Signed-off-by: Pavel Begunkov --- fs/io_uring.c | 21 +-------------------- 1 file changed, 1 insertion(+), 20 deletions(-) diff --git a/fs/io_uring.c b/fs/io_uring.c index ca6170a66e62..bf556f77d4ab 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -784,12 +784,6 @@ struct io_msg { u32 len; }; -struct io_nop { - struct file *file; - u64 extra1; - u64 extra2; -}; - struct io_async_connect { struct sockaddr_storage address; }; @@ -994,7 +988,6 @@ struct io_kiocb { struct io_msg msg; struct io_xattr xattr; struct io_socket sock; - struct io_nop nop; struct io_uring_cmd uring_cmd; }; @@ -5268,14 +5261,6 @@ static int io_splice(struct io_kiocb *req, unsigned int issue_flags) static int io_nop_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) { - /* - * If the ring is setup with CQE32, relay back addr/addr - */ - if (req->ctx->flags & IORING_SETUP_CQE32) { - req->nop.extra1 = READ_ONCE(sqe->addr); - req->nop.extra2 = READ_ONCE(sqe->addr2); - } - return 0; } @@ -5296,11 +5281,7 @@ static int io_nop(struct io_kiocb *req, unsigned int issue_flags) } cflags = io_put_kbuf(req, issue_flags); - if (!(req->ctx->flags & IORING_SETUP_CQE32)) - __io_req_complete(req, issue_flags, 0, cflags); - else - __io_req_complete32(req, issue_flags, 0, cflags, - req->nop.extra1, req->nop.extra2); + __io_req_complete(req, issue_flags, 0, cflags); return 0; } -- 2.36.1