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 X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2AEC0C433DF for ; Sun, 18 Oct 2020 14:25:02 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id A976621655 for ; Sun, 18 Oct 2020 14:25:01 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A976621655 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=mit.edu Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 1F04D6B0062; Sun, 18 Oct 2020 10:25:01 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 19FF46B0068; Sun, 18 Oct 2020 10:25:01 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 08E756B006E; Sun, 18 Oct 2020 10:25:01 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0155.hostedemail.com [216.40.44.155]) by kanga.kvack.org (Postfix) with ESMTP id CDD126B0062 for ; Sun, 18 Oct 2020 10:25:00 -0400 (EDT) Received: from smtpin06.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 6AD1F181AEF00 for ; Sun, 18 Oct 2020 14:25:00 +0000 (UTC) X-FDA: 77385267960.06.horn14_2a002d92722f Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin06.hostedemail.com (Postfix) with ESMTP id 4C319101AA760 for ; Sun, 18 Oct 2020 14:25:00 +0000 (UTC) X-HE-Tag: horn14_2a002d92722f X-Filterd-Recvd-Size: 1627 Received: from outgoing.mit.edu (outgoing-auth-1.mit.edu [18.9.28.11]) by imf22.hostedemail.com (Postfix) with ESMTP for ; Sun, 18 Oct 2020 14:24:59 +0000 (UTC) Received: from callcc.thunk.org (pool-72-74-133-215.bstnma.fios.verizon.net [72.74.133.215]) (authenticated bits=0) (User authenticated as tytso@ATHENA.MIT.EDU) by outgoing.mit.edu (8.14.7/8.12.4) with ESMTP id 09IEOlS0008165 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sun, 18 Oct 2020 10:24:47 -0400 Received: by callcc.thunk.org (Postfix, from userid 15806) id E880C420107; Sun, 18 Oct 2020 10:24:46 -0400 (EDT) Date: Sun, 18 Oct 2020 10:24:46 -0400 From: "Theodore Y. Ts'o" To: "Matthew Wilcox (Oracle)" Cc: linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, Andreas Dilger , linux-ext4@vger.kernel.org Subject: Re: [PATCH v3 11/18] ext4: Tell the VFS that readpage was synchronous Message-ID: <20201018142446.GG181507@mit.edu> References: <20201016160443.18685-1-willy@infradead.org> <20201016160443.18685-12-willy@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201016160443.18685-12-willy@infradead.org> X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Fri, Oct 16, 2020 at 05:04:36PM +0100, Matthew Wilcox (Oracle) wrote: > The ext4 inline data readpage implementation was already synchronous, > so use AOP_UPDATED_PAGE to avoid cycling the page lock. > > Signed-off-by: Matthew Wilcox (Oracle) Acked-by: Theodore Ts'o