From patchwork Wed Sep 21 11:17:46 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pavel Begunkov X-Patchwork-Id: 12983601 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 35D14C32771 for ; Wed, 21 Sep 2022 11:20:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229545AbiIULUq (ORCPT ); Wed, 21 Sep 2022 07:20:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59736 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229498AbiIULUo (ORCPT ); Wed, 21 Sep 2022 07:20:44 -0400 Received: from mail-wm1-x333.google.com (mail-wm1-x333.google.com [IPv6:2a00:1450:4864:20::333]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 41E9670E44 for ; Wed, 21 Sep 2022 04:20:43 -0700 (PDT) Received: by mail-wm1-x333.google.com with SMTP id az6so4189153wmb.4 for ; Wed, 21 Sep 2022 04:20:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date; bh=uEeWCm94KOo7VZwDqBvTmmSVgBJlmWvoPwkZEcEjcrA=; b=LpZu15pMAJiR5RNtbYdbI9TV53fr3/sLz7AauD1Fcmnk0irl3SntbXOepAzoVHpzqc I65U69Q/32rx5PUAz5mgFuHRuYZFIDWThIvSBWTDmqF/y7XB/bNZKy5tbXKeUSWbSEQ+ 1Os47wgsjyTjxhk0EZFLSrNYiA/sO+OZ8VNcGLu0QCcr1k6nw5uEs34G5/Q2YWwnrBzJ u6sphbD0A2wJWJuTIQmcKPhiqVx8uVzEHh5q08guum8OLa9EShlXlcK+M2DFWIx3yweb KDZf2dH4563tmTE+gxL4felrQ2BeWbBCeoAbxiZS1Chh+m5BlFuaLgfexR3WATDCEkJw 2Vxg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date; bh=uEeWCm94KOo7VZwDqBvTmmSVgBJlmWvoPwkZEcEjcrA=; b=WmrOsSkgxBcwrf+r7XV3Zq7JhJ6bGqi4YbEfxCBgA6/qwVqZnQ9fQRhNlVLGcyOUrA XCsyPX/R3T2egJUxUmM5NqzOJHShYkAvrxDaOm0uSozDL1ud0I3AX1oCjbRDxtFlUrbj noWavl2tWetejci1pUIFnR+f2kWOvXlglfIaV0Q9A6eHIPkdlhVn5BCC7MonKtNEk8dn fjw0BM3ncCw0jG+RZ9UdAGFBq91BKSsr/Egs5xg0DU4bdb97Yy9duykTQgzYekEKkAu/ WLLSMj+GU6bDM/cU2iVB65TcRY3l6A6Eadc9g69VNAXQnGqJk3CsLGza5SMcC6yvNjEb I2Mg== X-Gm-Message-State: ACrzQf2psfTFJrZmRXodhyKynAeaNa6LUbfbSjZ8M833f32sIJO+AUWh NvDr0OPOOS2Z8GyOeykrCWZQORzSYUg= X-Google-Smtp-Source: AMsMyM5ihFLim9R7SDnN2PC1YLmcBbWjbH8DvLuTOSqgr1nXudgIhpFKmU5TCPYemmmn82qrFUdZIg== X-Received: by 2002:a7b:ce0d:0:b0:3b4:8728:3e7e with SMTP id m13-20020a7bce0d000000b003b487283e7emr5294340wmc.182.1663759241382; Wed, 21 Sep 2022 04:20:41 -0700 (PDT) Received: from 127.0.0.1localhost (188.28.205.62.threembb.co.uk. [188.28.205.62]) by smtp.gmail.com with ESMTPSA id s17-20020a5d6a91000000b00228da845d4dsm2206732wru.94.2022.09.21.04.20.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 Sep 2022 04:20:40 -0700 (PDT) From: Pavel Begunkov To: io-uring@vger.kernel.org Cc: Jens Axboe , asml.silence@gmail.com Subject: [PATCH 1/9] io_uring: add custom opcode hooks on fail Date: Wed, 21 Sep 2022 12:17:46 +0100 Message-Id: X-Mailer: git-send-email 2.37.2 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org Sometimes we have to do a little bit of a fixup on a request failuer in io_req_complete_failed(). Add a callback in opdef for that. Cc: stable@vger.kernel.org Signed-off-by: Pavel Begunkov --- io_uring/io_uring.c | 4 ++++ io_uring/opdef.h | 1 + 2 files changed, 5 insertions(+) diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index 433466455a5f..3875ea897cdf 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -865,8 +865,12 @@ inline void __io_req_complete(struct io_kiocb *req, unsigned issue_flags) void io_req_complete_failed(struct io_kiocb *req, s32 res) { + const struct io_op_def *def = &io_op_defs[req->opcode]; + req_set_fail(req); io_req_set_res(req, res, io_put_kbuf(req, IO_URING_F_UNLOCKED)); + if (def->fail) + def->fail(req); io_req_complete_post(req); } diff --git a/io_uring/opdef.h b/io_uring/opdef.h index 763c6e54e2ee..3efe06d25473 100644 --- a/io_uring/opdef.h +++ b/io_uring/opdef.h @@ -36,6 +36,7 @@ struct io_op_def { int (*issue)(struct io_kiocb *, unsigned int); int (*prep_async)(struct io_kiocb *); void (*cleanup)(struct io_kiocb *); + void (*fail)(struct io_kiocb *); }; extern const struct io_op_def io_op_defs[];