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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C50ADC433FE for ; Mon, 18 Oct 2021 17:55:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AB53A61074 for ; Mon, 18 Oct 2021 17:55:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232002AbhJRR5W (ORCPT ); Mon, 18 Oct 2021 13:57:22 -0400 Received: from out03.mta.xmission.com ([166.70.13.233]:59572 "EHLO out03.mta.xmission.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231961AbhJRR5V (ORCPT ); Mon, 18 Oct 2021 13:57:21 -0400 Received: from in01.mta.xmission.com ([166.70.13.51]:44280) by out03.mta.xmission.com with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.93) (envelope-from ) id 1mcWqp-00ESzV-HC; Mon, 18 Oct 2021 11:55:07 -0600 Received: from ip68-227-160-95.om.om.cox.net ([68.227.160.95]:47614 helo=email.xmission.com) by in01.mta.xmission.com with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.93) (envelope-from ) id 1mcWqo-004AnW-NK; Mon, 18 Oct 2021 11:55:07 -0600 From: ebiederm@xmission.com (Eric W. Biederman) To: Alexey Gladkov Cc: Rune Kleveland , Yu Zhao , Jordan Glover , LKML , linux-mm@kvack.org, containers@lists.linux-foundation.org, Hillf Danton References: <1M9_d6wrcu6rdPe1ON0_k0lOxJMyyot3KAb1gdyuwzDPC777XVUWPHoTCEVmcK3fYfgu7sIo3PSaLe9KulUdm4TWVuqlbKyYGxRAjsf_Cpk=@protonmail.ch> <87ee9pa6xw.fsf@disp2133> <878rzw77i3.fsf@disp2133> <20210929173611.fo5traia77o63gpw@example.org> <20210930130640.wudkpmn3cmah2cjz@example.org> <878rz8wwb6.fsf@disp2133> <87v92cvhbf.fsf@disp2133> <87mtnavszx.fsf_-_@disp2133> <87fssytizw.fsf_-_@disp2133> <871r4itfjw.fsf_-_@disp2133> Date: Mon, 18 Oct 2021 12:54:35 -0500 In-Reply-To: <871r4itfjw.fsf_-_@disp2133> (Eric W. Biederman's message of "Mon, 18 Oct 2021 12:21:07 -0500") Message-ID: <877dearzfo.fsf_-_@disp2133> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-XM-SPF: eid=1mcWqo-004AnW-NK;;;mid=<877dearzfo.fsf_-_@disp2133>;;;hst=in01.mta.xmission.com;;;ip=68.227.160.95;;;frm=ebiederm@xmission.com;;;spf=neutral X-XM-AID: U2FsdGVkX1/tEUz60tuIgGwnBsMjtXOnMtSfTAnHyoE= X-SA-Exim-Connect-IP: 68.227.160.95 X-SA-Exim-Mail-From: ebiederm@xmission.com Subject: [PATCH 0/4] ucounts: misc cleanups X-SA-Exim-Version: 4.2.1 (built Sat, 08 Feb 2020 21:53:50 +0000) X-SA-Exim-Scanned: Yes (on in01.mta.xmission.com) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The following changes are a set of miscellaneous fixes that makes the ucount code a little bit easier to read. There are all things that I ran into while helping hunt the crazy reference count bug. I am aiming these at the next merge window and 5.16 rather than bug fixes to get into the current 5.15. Eric W. Biederman (4): ucounts: In set_cred_ucounts assume new->ucounts is non-NULL ucounts: Remove unnecessary test for NULL ucount in get_ucounts ucounts: Add get_ucounts_or_wrap for clarity ucounts: Use atomic_long_sub_return for clarity kernel/cred.c | 5 ++--- kernel/ucount.c | 20 +++++++++++++------- 2 files changed, 15 insertions(+), 10 deletions(-) Eric