Message ID | 20230827132835.1373581-10-hao.xu@linux.dev (mailing list archive) |
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State | New |
Headers | show
Return-Path: <linux-f2fs-devel-bounces@lists.sourceforge.net> X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.sourceforge.net (lists.sourceforge.net [216.105.38.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 75081C83F11 for <linux-f2fs-devel@archiver.kernel.org>; Sun, 27 Aug 2023 13:35:17 +0000 (UTC) Received: from [127.0.0.1] (helo=sfs-ml-4.v29.lw.sourceforge.com) by sfs-ml-4.v29.lw.sourceforge.com with esmtp (Exim 4.95) (envelope-from <linux-f2fs-devel-bounces@lists.sourceforge.net>) id 1qaFvA-0000AE-Az; Sun, 27 Aug 2023 13:35:16 +0000 Received: from [172.30.20.202] (helo=mx.sourceforge.net) by sfs-ml-4.v29.lw.sourceforge.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from <hao.xu@linux.dev>) id 1qaFv9-0000A8-2v for linux-f2fs-devel@lists.sourceforge.net; Sun, 27 Aug 2023 13:35:15 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sourceforge.net; s=x; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=y42FYySYNsis5G3mORomW/nSivl81IaFtk7YSUfz0Jg=; b=HuAEOxXqX67LnBCbKz9mMz1VXr OQP/zSOZ5thHvSxt9FwK908YGFxSNtahLQulgIxVx6hJYH5yDgRCxVN4e8yiexic/GcY7fu+EHXOE epkvDP02seye+i+vbAApwMuPeRNYHGEqPbXse16wn7Wzlw2E4VAaBSisce47EVgVuXE0=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sf.net; s=x ; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-Id: Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=y42FYySYNsis5G3mORomW/nSivl81IaFtk7YSUfz0Jg=; b=aZx88lppqmW3SX7dcZnKqa9yUL 88kJqpYlK/6FVNeNFEGY4x/4+zi+p5Hd/AzpAl3Z45Loc0iY3g4ucw6UdIbuFjx0pvYCxkDQIrBlF ThKdwXJAxLLir7TouEb8ubMLFnv8qDQ0B+6/BPua4tImoFko6msbyKWQWlRXs0PPmb38=; Received: from out-253.mta1.migadu.com ([95.215.58.253]) by sfi-mx-2.v28.lw.sourceforge.com with esmtps (TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.95) id 1qaFv8-0005tG-NV for linux-f2fs-devel@lists.sourceforge.net; Sun, 27 Aug 2023 13:35:15 +0000 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> 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 X-Migadu-Flow: FLOW_OUT X-Headers-End: 1qaFv8-0005tG-NV Subject: [f2fs-dev] [PATCH 09/11] vfs: error out -EAGAIN if atime needs to be updated X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: <linux-f2fs-devel.lists.sourceforge.net> List-Unsubscribe: <https://lists.sourceforge.net/lists/options/linux-f2fs-devel>, <mailto:linux-f2fs-devel-request@lists.sourceforge.net?subject=unsubscribe> List-Archive: <http://sourceforge.net/mailarchive/forum.php?forum_name=linux-f2fs-devel> List-Post: <mailto:linux-f2fs-devel@lists.sourceforge.net> List-Help: <mailto:linux-f2fs-devel-request@lists.sourceforge.net?subject=help> List-Subscribe: <https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel>, <mailto:linux-f2fs-devel-request@lists.sourceforge.net?subject=subscribe> Cc: Wanpeng Li <wanpengli@tencent.com>, "Darrick J . Wong" <djwong@kernel.org>, Dominique Martinet <asmadeus@codewreck.org>, Dave Chinner <david@fromorbit.com>, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Stefan Roesch <shr@fb.com>, Clay Harris <bugs@claycon.org>, linux-s390@vger.kernel.org, linux-nilfs@vger.kernel.org, codalist@coda.cs.cmu.edu, cluster-devel@redhat.com, linux-cachefs@redhat.com, linux-ext4@vger.kernel.org, devel@lists.orangefs.org, linux-cifs@vger.kernel.org, ecryptfs@vger.kernel.org, linux-nfs@vger.kernel.org, linux-block@vger.kernel.org, Alexander Viro <viro@zeniv.linux.org.uk>, Christian Brauner <brauner@kernel.org>, netdev@vger.kernel.org, samba-technical@lists.samba.org, linux-unionfs@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mtd@lists.infradead.org, bpf@vger.kernel.org, Pavel Begunkov <asml.silence@gmail.com>, linux-btrfs@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net |
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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;