Message ID | 20230827132835.1373581-10-hao.xu@linux.dev |
---|---|
State | Not Applicable |
Headers | show
Return-Path: <SRS0=yOgx=EM=vger.kernel.org=linux-ext4-owner@ozlabs.org> X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=S4P5Lis+; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=ozlabs.org (client-ip=2404:9400:2221:ea00::3; helo=gandalf.ozlabs.org; envelope-from=srs0=yogx=em=vger.kernel.org=linux-ext4-owner@ozlabs.org; receiver=patchwork.ozlabs.org) Received: from gandalf.ozlabs.org (mail.ozlabs.org [IPv6:2404:9400:2221:ea00::3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4RYZTW4YfWz1yfr for <incoming@patchwork.ozlabs.org>; Sun, 27 Aug 2023 23:36:15 +1000 (AEST) Received: from gandalf.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) by gandalf.ozlabs.org (Postfix) with ESMTP id 4RYZTW45Qgz4wZn for <incoming@patchwork.ozlabs.org>; Sun, 27 Aug 2023 23:36:15 +1000 (AEST) Received: by gandalf.ozlabs.org (Postfix) id 4RYZTW43DWz4wd0; Sun, 27 Aug 2023 23:36:15 +1000 (AEST) Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: gandalf.ozlabs.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: gandalf.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=S4P5Lis+; dkim-atps=neutral Authentication-Results: gandalf.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-ext4-owner@vger.kernel.org; receiver=ozlabs.org) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by gandalf.ozlabs.org (Postfix) with ESMTP id 4RYZTW3yf0z4wZn for <patchwork-incoming@ozlabs.org>; Sun, 27 Aug 2023 23:36:15 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230424AbjH0Nfq (ORCPT <rfc822;patchwork-incoming@ozlabs.org>); Sun, 27 Aug 2023 09:35:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33518 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230512AbjH0Nf0 (ORCPT <rfc822;linux-ext4@vger.kernel.org>); Sun, 27 Aug 2023 09:35:26 -0400 Received: from out-246.mta1.migadu.com (out-246.mta1.migadu.com [95.215.58.246]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D39BACCF; Sun, 27 Aug 2023 06:35:09 -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=1693143308; 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=y42FYySYNsis5G3mORomW/nSivl81IaFtk7YSUfz0Jg=; b=S4P5Lis+5UgxAXsbIFEQ0bJcfwW5bp3gD+5EV25w4Odl6XRzUJpaJGVaokRckJ9Hpyff0y QCMWQ876jzpmtvZlXQ4fdJDhdeygghENaAwk2aokCERTn3SKcsNlbNr+KPD/7nkWidZUEs LZ/LAlKjzWeA2HQHZTdX8ZHXdvIJ060= From: Hao Xu <hao.xu@linux.dev> To: io-uring@vger.kernel.org, Jens Axboe <axboe@kernel.dk> Cc: Dominique Martinet <asmadeus@codewreck.org>, Pavel Begunkov <asml.silence@gmail.com>, Christian Brauner <brauner@kernel.org>, Alexander Viro <viro@zeniv.linux.org.uk>, Stefan Roesch <shr@fb.com>, Clay Harris <bugs@claycon.org>, Dave Chinner <david@fromorbit.com>, "Darrick J . Wong" <djwong@kernel.org>, linux-fsdevel@vger.kernel.org, linux-xfs@vger.kernel.org, linux-ext4@vger.kernel.org, linux-cachefs@redhat.com, ecryptfs@vger.kernel.org, linux-nfs@vger.kernel.org, linux-unionfs@vger.kernel.org, bpf@vger.kernel.org, netdev@vger.kernel.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, linux-btrfs@vger.kernel.org, codalist@coda.cs.cmu.edu, linux-f2fs-devel@lists.sourceforge.net, cluster-devel@redhat.com, linux-mm@kvack.org, linux-nilfs@vger.kernel.org, devel@lists.orangefs.org, linux-cifs@vger.kernel.org, samba-technical@lists.samba.org, linux-mtd@lists.infradead.org, Wanpeng Li <wanpengli@tencent.com> Subject: [PATCH 09/11] vfs: error out -EAGAIN if atime needs to be updated Date: Sun, 27 Aug 2023 21:28:33 +0800 Message-Id: <20230827132835.1373581-10-hao.xu@linux.dev> In-Reply-To: <20230827132835.1373581-1-hao.xu@linux.dev> References: <20230827132835.1373581-1-hao.xu@linux.dev> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: <linux-ext4.vger.kernel.org> X-Mailing-List: linux-ext4@vger.kernel.org |
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io_uring getdents
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On Sun, Aug 27, 2023 at 09:28:33PM +0800, Hao Xu wrote: > From: Hao Xu <howeyxu@tencent.com> > > To enforce nowait semantics, error out -EAGAIN if atime needs to be > updated. Squash this into patch 6. Otherwise patch 6 makes no sense.
diff --git a/fs/inode.c b/fs/inode.c index e83b836f2d09..32d81be65cf9 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -1970,6 +1970,9 @@ int touch_atime(const struct path *path, bool nowait) if (!atime_needs_update(path, inode)) return 0; + if (nowait) + return -EAGAIN; + if (!sb_start_write_trylock(inode->i_sb)) return 0;