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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5E544ECAAA3 for ; Thu, 25 Aug 2022 22:28:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244452AbiHYW2h (ORCPT ); Thu, 25 Aug 2022 18:28:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39884 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244443AbiHYW2c (ORCPT ); Thu, 25 Aug 2022 18:28:32 -0400 Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 71EF4C59FF; Thu, 25 Aug 2022 15:28:31 -0700 (PDT) Received: from gate.crashing.org (localhost.localdomain [127.0.0.1]) by gate.crashing.org (8.14.1/8.14.1) with ESMTP id 27PMDYv8030657; Thu, 25 Aug 2022 17:13:34 -0500 Received: (from segher@localhost) by gate.crashing.org (8.14.1/8.14.1/Submit) id 27PMDWHO030656; Thu, 25 Aug 2022 17:13:32 -0500 X-Authentication-Warning: gate.crashing.org: segher set sender to segher@kernel.crashing.org using -f Date: Thu, 25 Aug 2022 17:13:32 -0500 From: Segher Boessenkool To: Linus Torvalds Cc: Alexander Potapenko , Matthew Wilcox , Thomas Gleixner , Alexander Viro , Alexei Starovoitov , Andrew Morton , Andrey Konovalov , Andy Lutomirski , Arnd Bergmann , Borislav Petkov , Christoph Hellwig , Christoph Lameter , David Rientjes , Dmitry Vyukov , Eric Dumazet , Greg Kroah-Hartman , Herbert Xu , Ilya Leoshkevich , Ingo Molnar , Jens Axboe , Joonsoo Kim , Kees Cook , Marco Elver , Mark Rutland , "Michael S. Tsirkin" , Pekka Enberg , Peter Zijlstra , Petr Mladek , Steven Rostedt , Vasily Gorbik , Vegard Nossum , Vlastimil Babka , kasan-dev , Linux Memory Management List , Linux-Arch , LKML Subject: Re: [PATCH v4 44/45] mm: fs: initialize fsdata passed to write_begin/write_end interface Message-ID: <20220825221332.GJ25951@gate.crashing.org> References: <20220701142310.2188015-1-glider@google.com> <20220701142310.2188015-45-glider@google.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.3i Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Aug 25, 2022 at 09:33:18AM -0700, Linus Torvalds wrote: > So you'd most certainly want to know that all incoming arguments are > actually valid, because otherwise you can't do even some really simple > and obvious optimziations. The C11 change was via DR 338, see for more info. Segher