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=-5.1 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 CF037C433E9 for ; Fri, 5 Mar 2021 15:36:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AFA0465098 for ; Fri, 5 Mar 2021 15:36:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230207AbhCEPgQ (ORCPT ); Fri, 5 Mar 2021 10:36:16 -0500 Received: from mx1.hrz.uni-dortmund.de ([129.217.128.51]:39583 "EHLO unimail.uni-dortmund.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230046AbhCEPf4 (ORCPT ); Fri, 5 Mar 2021 10:35:56 -0500 Received: from [192.168.111.113] (p4fd97aad.dip0.t-ipconnect.de [79.217.122.173]) (authenticated bits=0) by unimail.uni-dortmund.de (8.16.1/8.16.1) with ESMTPSA id 125FZmBZ001461 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT); Fri, 5 Mar 2021 16:35:48 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=tu-dortmund.de; s=unimail; t=1614958549; bh=d6p0+N+Br3mUr1EhlB2lPjwz95lJMYCofM7C8HA6eHw=; h=Subject:To:Cc:References:From:Date:In-Reply-To; b=oH+gAJPRzzu1/K9HBFVvJx+DBSSmqoZSuRnSsedcFSqjqEaNbO90EbYVfwxLLtj/2 uGhTgfh7OKQleIP/CEMTZbMpkWdWNVrZ4VJENJJ6V6vuT1R1GhLjBGU+ufS5LF5ydz 6SOcJXJGMWfJSfFcAsTQ3pJ8IyC2LS+ukguQ70sU= Subject: Re: [RFC] inode.i_opflags - Usage of two different locking schemes To: "Theodore Ts'o" Cc: Horst Schirmeier , Jan Kara , Jan Kara , linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org References: From: Alexander Lochmann Message-ID: <667b3ec3-a522-05a9-31e8-87d8bfaa7adb@tu-dortmund.de> Date: Fri, 5 Mar 2021 16:35:47 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="pg4Tc08beKHQUhmaa9jbDOOBarYm7CmHr" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --pg4Tc08beKHQUhmaa9jbDOOBarYm7CmHr Content-Type: multipart/mixed; boundary="sq9ts7eumJ1CwXQJOkfsR3ADT0IGvtnph"; protected-headers="v1" From: Alexander Lochmann To: Theodore Ts'o Cc: Horst Schirmeier , Jan Kara , Jan Kara , linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org Message-ID: <667b3ec3-a522-05a9-31e8-87d8bfaa7adb@tu-dortmund.de> Subject: Re: [RFC] inode.i_opflags - Usage of two different locking schemes References: In-Reply-To: --sq9ts7eumJ1CwXQJOkfsR3ADT0IGvtnph Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: de-DE Content-Transfer-Encoding: quoted-printable On 05.03.21 16:18, Theodore Ts'o wrote: > 1) I don't see where i_opflags is being read in ipc/mqueue.c at all, > either with or without i_rwsem. >=20 It is read in fs/dcache.c > 2) I'm not sure what this has to do with ext4? >=20 > - Ted >=20 Yeah. You're right. That was my fault. Sry. I should have sent it to linux-kernel@... only. - Alex --=20 Technische Universit=C3=A4t Dortmund Alexander Lochmann PGP key: 0xBC3EF6FD Otto-Hahn-Str. 16 phone: +49.231.7556141 D-44227 Dortmund fax: +49.231.7556116 http://ess.cs.tu-dortmund.de/Staff/al --sq9ts7eumJ1CwXQJOkfsR3ADT0IGvtnph-- --pg4Tc08beKHQUhmaa9jbDOOBarYm7CmHr Content-Type: application/pgp-signature; name="OpenPGP_signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="OpenPGP_signature" -----BEGIN PGP SIGNATURE----- wsF5BAABCAAjFiEElhZsUHzVP0dbkjCRWT7tBbw+9v0FAmBCT9QFAwAAAAAACgkQWT7tBbw+9v3Q qw//ep75+yIDVG2+Q6bmfQmmnvnrfhRkJ1XCq07AF4HYAcbMHw0ELMw4rj4fCEpHVtMkehgDxxCT /QexI0TPGoWgfMUVPfjndyfRmuuqQuqDuvO9Wvi4eId3sDddoRYnA9c7vlP6x8kDEFjvbLbVVkYu t6psHUxN6Hkyy2akr1pjXvOmY3BhoZGy/T/PpIKgfwPmgZRxRBh8Gisri6Pl6JlkMnnr4wjjbriR qbvYqapEJJttPVHmOBKScWjIme5+TDjLUkbu56jkhM124THPNzrNrmLGBS+sYEzzRLQVXbhGvvne mbF8sq5yXTAJ+n8hIhYQd3sEgxjASSp5RoiRs+HN7k14KwLNcD5BjklDnRrMHWOsPLT+QLKKqyFJ gX0EJUQpNTojxNNaSC0Hydq4Eo5EsC4eHcbQ2DQsWH5No/t6P1OvxeyBBRePnubxGs/TM14HuzBR 1ofglKQywpDMobObtbit+eSkvkwHOl3h1TnwtwCHE6uxOjdGtxigtC+W0sw5pFy4J7eUP9c+uPHO f70vera66yeTybme8Ecrtlolz2u8+Jdem4ESpIS8HStMxtj2tf74CO1zBNB06IPaTr7pLkK701Fu 9s53LmKxVhwyCRuzz3jt2RA525SEOjK0ZT2xWPKOy5K9bKzuwMg3/XwIJb/1UMo6mJkAOsLK0cYI XWU= =FfwE -----END PGP SIGNATURE----- --pg4Tc08beKHQUhmaa9jbDOOBarYm7CmHr--