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=-8.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 D1061C433B4 for ; Fri, 2 Apr 2021 15:41:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9AEA561151 for ; Fri, 2 Apr 2021 15:41:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236279AbhDBPlB (ORCPT ); Fri, 2 Apr 2021 11:41:01 -0400 Received: from outgoing-auth-1.mit.edu ([18.9.28.11]:60228 "EHLO outgoing.mit.edu" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S236211AbhDBPk7 (ORCPT ); Fri, 2 Apr 2021 11:40:59 -0400 Received: from cwcc.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 132Fengx012513 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 2 Apr 2021 11:40:50 -0400 Received: by cwcc.thunk.org (Postfix, from userid 15806) id D039615C3AC7; Fri, 2 Apr 2021 11:40:49 -0400 (EDT) Date: Fri, 2 Apr 2021 11:40:49 -0400 From: "Theodore Ts'o" To: Alexander Lochmann Cc: Horst Schirmeier , Jan Kara , Jan Kara , linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3] Updated locking documentation for transaction_t Message-ID: References: <20210211171410.17984-1-alexander.lochmann@tu-dortmund.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210211171410.17984-1-alexander.lochmann@tu-dortmund.de> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Feb 11, 2021 at 06:14:10PM +0100, Alexander Lochmann wrote: > Some members of transaction_t are allowed to be read without > any lock being held if accessed from the correct context. > We used LockDoc's findings to determine those members. > Each member of them is marked with a short comment: > "no lock needed for jbd2 thread". > > Signed-off-by: Alexander Lochmann > Signed-off-by: Horst Schirmeier > Reviewed-by: Jan Kara Thanks, applied. I reflowed the comments before applying the patch. - Ted