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 EFFA3CCA47A for ; Thu, 16 Jun 2022 09:22:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231648AbiFPJWt (ORCPT ); Thu, 16 Jun 2022 05:22:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47326 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231664AbiFPJWs (ORCPT ); Thu, 16 Jun 2022 05:22:48 -0400 Received: from mail-wr1-x42b.google.com (mail-wr1-x42b.google.com [IPv6:2a00:1450:4864:20::42b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C50C611167 for ; Thu, 16 Jun 2022 02:22:46 -0700 (PDT) Received: by mail-wr1-x42b.google.com with SMTP id s1so1035718wra.9 for ; Thu, 16 Jun 2022 02:22:46 -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=0ZsaHpJ+wHbQ542pIhquFY7dETyZEEfQcuRQQLy5A28=; b=Ne2qDU/PEqXHQeBk7GF3dMp6i/rEBKurv9RqgtWdBWqfRoiC/OSAq4/DPVbYHtoOsA svLLQy66KYqVoDd4l9oEBkuBmKnETzAZkM8V+VhZPRCC3lrNpRm68TQIMmLqw/xIJIuZ j6cXC12H6mI/j4/p3wlRiHYIHPHlQnvI5ZkB62tiHZROmU7wnt6vdGaNwFgDiQSGGTIP lfAR3yfGnv9bUVMLIAQ24AE4FLvgqlb1r4f8SmyqRbFv3H3RMaWwrGvSq63G1a/3q+5Q vOOmfsIZYZH6rbwHtwmUQYxZ2MSYuth/CYmiwzlwKlStom4mqHPI9XM78pa6njQk9Oz2 +N0w== 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=0ZsaHpJ+wHbQ542pIhquFY7dETyZEEfQcuRQQLy5A28=; b=U0EJENDcJjKuSBBBraiVg+OYodBCgNgGrLPLlJeBsf7ht0ZBtabJrFVFLXaVKCRBZ3 Upwtni1APjchpeldzJ5FaVMrI5I/o8dmN2Qu7hHLj533s/WUjA9vMzZ8h9raPTNO0SOj 2V4Po7Vnj0DZxxPwgqlGUFzh7mjuaASiDDhDx642XV68+4OUZuEYv5ScJBMSOmxHjhTI /11XQ463BQR4e8QN6OaN5mePkrZaAbxOds2X/6x0xyZEgSuT7ozXElYjU490hASXR2hQ qPtQXezGuCxqLsDazfZJs4UtRieYUJkwxo7ksLdNFoJAAzFBgeecNVEJ0P96yplrAY1D yL5A== X-Gm-Message-State: AJIora/E+IRZ994uy7J+ZuKPnKUXZxa+ZNzvzT666CfqGJk9TIOfV954 amIQdbe2cXCEJ1O3FO3x/XDIhVcQnuSVMg== X-Google-Smtp-Source: AGRyM1tXNEK//2jWAerbkkagqbLN2PkzYsLgGHE2n+NOw1sjZhpnW12wEYHkxQ9AkdzOzrlBS9xFaw== X-Received: by 2002:a05:6000:186e:b0:218:5f5d:9c55 with SMTP id d14-20020a056000186e00b002185f5d9c55mr3562733wri.128.1655371365004; Thu, 16 Jun 2022 02:22:45 -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 s6-20020a1cf206000000b0039c975aa553sm1695221wmc.25.2022.06.16.02.22.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 Jun 2022 02:22:44 -0700 (PDT) From: Pavel Begunkov To: io-uring@vger.kernel.org Cc: Jens Axboe , asml.silence@gmail.com Subject: [PATCH for-next v3 02/16] io_uring: kill REQ_F_COMPLETE_INLINE Date: Thu, 16 Jun 2022 10:21:58 +0100 Message-Id: <600ba20a9338b8a39b249b23d3d177803613dde4.1655371007.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 REQ_F_COMPLETE_INLINE is only needed to delay queueing into the completion list to io_queue_sqe() as __io_req_complete() is inlined and we don't want to bloat the kernel. As now we complete in a more centralised fashion in io_issue_sqe() we can get rid of the flag and queue to the list directly. Signed-off-by: Pavel Begunkov --- io_uring/io_uring.c | 18 +++++++----------- io_uring/io_uring.h | 5 ----- io_uring/io_uring_types.h | 3 --- 3 files changed, 7 insertions(+), 19 deletions(-) diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index f1ecfdd0166e..02a70e7eb774 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -742,10 +742,7 @@ void io_req_complete_post(struct io_kiocb *req) inline void __io_req_complete(struct io_kiocb *req, unsigned issue_flags) { - if (issue_flags & IO_URING_F_COMPLETE_DEFER) - req->flags |= REQ_F_COMPLETE_INLINE; - else - io_req_complete_post(req); + io_req_complete_post(req); } void io_req_complete_failed(struct io_kiocb *req, s32 res) @@ -1581,9 +1578,12 @@ static int io_issue_sqe(struct io_kiocb *req, unsigned int issue_flags) if (creds) revert_creds(creds); - if (ret == IOU_OK) - __io_req_complete(req, issue_flags); - else if (ret != IOU_ISSUE_SKIP_COMPLETE) + if (ret == IOU_OK) { + if (issue_flags & IO_URING_F_COMPLETE_DEFER) + io_req_add_compl_list(req); + else + io_req_complete_post(req); + } else if (ret != IOU_ISSUE_SKIP_COMPLETE) return ret; /* If the op doesn't have a file, we're not polling for it */ @@ -1748,10 +1748,6 @@ static inline void io_queue_sqe(struct io_kiocb *req) ret = io_issue_sqe(req, IO_URING_F_NONBLOCK|IO_URING_F_COMPLETE_DEFER); - if (req->flags & REQ_F_COMPLETE_INLINE) { - io_req_add_compl_list(req); - return; - } /* * We async punt it if the file wasn't marked NOWAIT, or if the file * doesn't support non-blocking read/write attempts diff --git a/io_uring/io_uring.h b/io_uring/io_uring.h index e30e639c2822..3f6cad3d356c 100644 --- a/io_uring/io_uring.h +++ b/io_uring/io_uring.h @@ -217,11 +217,6 @@ static inline bool io_run_task_work(void) return false; } -static inline void io_req_complete_state(struct io_kiocb *req) -{ - req->flags |= REQ_F_COMPLETE_INLINE; -} - static inline void io_tw_lock(struct io_ring_ctx *ctx, bool *locked) { if (!*locked) { diff --git a/io_uring/io_uring_types.h b/io_uring/io_uring_types.h index ef1cf86e8932..4576ea8cad2e 100644 --- a/io_uring/io_uring_types.h +++ b/io_uring/io_uring_types.h @@ -301,7 +301,6 @@ enum { REQ_F_POLLED_BIT, REQ_F_BUFFER_SELECTED_BIT, REQ_F_BUFFER_RING_BIT, - REQ_F_COMPLETE_INLINE_BIT, REQ_F_REISSUE_BIT, REQ_F_CREDS_BIT, REQ_F_REFCOUNT_BIT, @@ -356,8 +355,6 @@ enum { REQ_F_BUFFER_SELECTED = BIT(REQ_F_BUFFER_SELECTED_BIT), /* buffer selected from ring, needs commit */ REQ_F_BUFFER_RING = BIT(REQ_F_BUFFER_RING_BIT), - /* completion is deferred through io_comp_state */ - REQ_F_COMPLETE_INLINE = BIT(REQ_F_COMPLETE_INLINE_BIT), /* caller should reissue async */ REQ_F_REISSUE = BIT(REQ_F_REISSUE_BIT), /* supports async reads/writes */ -- 2.36.1