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 1476AC77B6E for ; Thu, 13 Apr 2023 14:29:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231571AbjDMO3H (ORCPT ); Thu, 13 Apr 2023 10:29:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58842 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231558AbjDMO3E (ORCPT ); Thu, 13 Apr 2023 10:29:04 -0400 Received: from mail-wm1-x330.google.com (mail-wm1-x330.google.com [IPv6:2a00:1450:4864:20::330]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 54F7AAD09 for ; Thu, 13 Apr 2023 07:29:02 -0700 (PDT) Received: by mail-wm1-x330.google.com with SMTP id i8-20020a05600c354800b003ee93d2c914so9938112wmq.2 for ; Thu, 13 Apr 2023 07:29:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1681396140; x=1683988140; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=XJDeBFWflXiYXndOhi/AhPK+oyloSSkv8OIb38IyP1c=; b=DGEOyitcGDuQFn0SMe4jrtK2G7ZPztpYYYIIqEoGNnj6uFwd+krlBSyuf/XPAJLIxC PglSBhr+8dDu0qfFGdJIUMlfLIn7TaxRNb//OEMJrFeQtBqhLTG1AwN6FcPpMYmg9kYZ taibiXPLWyqhiXMMrQRQQbEeiPjDmxAgXz8U9xd1tL70FUUQ5dV2BLxBaeOh6zE8gT2v 3vBkXm8UDZBw+DyyQ0Fy3BLy0jKRrv4Tsw7O38vuIVJfqyMbdTMelkVR1Yyt3vclB2hk tzFqZQuMwjFu4h0UfPEKe1FZlGb5s1jPXymEYsO/icUMNp9tJk2/la87eLDm6lYZ7dtD 2QKw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1681396140; x=1683988140; 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:message-id:reply-to; bh=XJDeBFWflXiYXndOhi/AhPK+oyloSSkv8OIb38IyP1c=; b=cr5TtpS/AxRCNVkYEVPhpD1zTa1MGHy5u7nNPdJVE3Gd9EuumS/JxVu3CD9C7nAUTS hLpsFtU+VNhoGdCmFpAjUdxlPd9jzeGgij1pq/wKPoeF27KabIJ4Yk5/HBSBQ88s5Ika JfzGGgvAdpoMWgcLdQI7WUtVJA1sLgwADuvXHcJkDtAQQQiENGPq4Fvn32H/BC/mzQuS 0EyFoZ2n46psSURfZCxPq9dBQtbZYEJWtnnlZeBijNh/8b4uli7QQ3MFeYS/mrM1yHB7 QMSvUj5LzYB61+S10hpGdw3JX7ydMecpEiots5rEqTdtHYuOLOLnJnh9yfzRrUgUHqEz kT8g== X-Gm-Message-State: AAQBX9cpeyLJw/l+0sNKAd3PMghmjJLe6fWIRvMoGxLXj3lrFZpwDUzF nlX8V1C4ZfsXgG6cy+YdOQUUh1w8/tA= X-Google-Smtp-Source: AKy350bEZmI6Cb3vL6lx1k6FVubv/GiO9tAzRiEfFkNVvTPT9iKHWCvY7jjTDp0UmB6pJe74f05gQg== X-Received: by 2002:a05:600c:1e11:b0:3f0:4275:395f with SMTP id ay17-20020a05600c1e1100b003f04275395fmr1559707wmb.13.1681396140773; Thu, 13 Apr 2023 07:29:00 -0700 (PDT) Received: from 127.0.0.1localhost (94.196.97.186.threembb.co.uk. [94.196.97.186]) by smtp.gmail.com with ESMTPSA id z14-20020adff1ce000000b002f28de9f73bsm1387391wro.55.2023.04.13.07.29.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Apr 2023 07:29:00 -0700 (PDT) From: Pavel Begunkov To: io-uring@vger.kernel.org Cc: Jens Axboe , asml.silence@gmail.com Subject: [PATCH 09/10] io_uring/rsrc: simplify single file node switching Date: Thu, 13 Apr 2023 15:28:13 +0100 Message-Id: <37cfb46f46160f81dced79f646e97db608994574.1681395792.git.asml.silence@gmail.com> X-Mailer: git-send-email 2.40.0 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org At maximum io_install_fixed_file() removes only one file, so no need to keep needs_switch state and we can call io_rsrc_node_switch() right after removal. Signed-off-by: Pavel Begunkov --- io_uring/filetable.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/io_uring/filetable.c b/io_uring/filetable.c index b80614e7d605..6255fa255ae2 100644 --- a/io_uring/filetable.c +++ b/io_uring/filetable.c @@ -64,7 +64,6 @@ static int io_install_fixed_file(struct io_ring_ctx *ctx, struct file *file, u32 slot_index) __must_hold(&req->ctx->uring_lock) { - bool needs_switch = false; struct io_fixed_file *file_slot; int ret; @@ -83,16 +82,17 @@ static int io_install_fixed_file(struct io_ring_ctx *ctx, struct file *file, ret = io_rsrc_node_switch_start(ctx); if (ret) - goto err; + return ret; old_file = (struct file *)(file_slot->file_ptr & FFS_MASK); ret = io_queue_rsrc_removal(ctx->file_data, slot_index, ctx->rsrc_node, old_file); if (ret) - goto err; + return ret; + file_slot->file_ptr = 0; io_file_bitmap_clear(&ctx->file_table, slot_index); - needs_switch = true; + io_rsrc_node_switch(ctx, ctx->file_data); } ret = io_scm_file_account(ctx, file); @@ -101,9 +101,6 @@ static int io_install_fixed_file(struct io_ring_ctx *ctx, struct file *file, io_fixed_file_set(file_slot, file); io_file_bitmap_set(&ctx->file_table, slot_index); } -err: - if (needs_switch) - io_rsrc_node_switch(ctx, ctx->file_data); return ret; } -- 2.40.0