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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 90AF9ECAAA3 for ; Thu, 25 Aug 2022 22:23:10 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 1DAE2940008; Thu, 25 Aug 2022 18:23:10 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 18943940007; Thu, 25 Aug 2022 18:23:10 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 051B4940008; Thu, 25 Aug 2022 18:23:10 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id E9AD0940007 for ; Thu, 25 Aug 2022 18:23:09 -0400 (EDT) Received: from smtpin20.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id B54D080971 for ; Thu, 25 Aug 2022 22:23:09 +0000 (UTC) X-FDA: 79839541698.20.DCC7328 Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) by imf20.hostedemail.com (Postfix) with ESMTP id 4481E1C0008 for ; Thu, 25 Aug 2022 22:23:08 +0000 (UTC) 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 ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1661466189; a=rsa-sha256; cv=none; b=14MYHfDmhAd8Z6jJ9qEMHhGDpAMQC3V7wc1R7Vi0wGhP7a6WUEkF85OG6YZk73YyfJAk0s HWA+BgESPefzW55mm88cLfdpd7VLm5P0h6itKxGUYgU4UtoC3zjGmxquvho1WKBtr59LIq o1aL5of8d2i9QpaRQU4VLX+40EG6o1g= ARC-Authentication-Results: i=1; imf20.hostedemail.com; dkim=none; spf=pass (imf20.hostedemail.com: domain of segher@kernel.crashing.org designates 63.228.1.57 as permitted sender) smtp.mailfrom=segher@kernel.crashing.org; dmarc=none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1661466189; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=IuiJZCl8wFmtFotjT168+vSrYl8HtzSuyjK+lsHlc/c=; b=u1rocZTzNIEs9U7pD7re+obpRvxyds3LccZ6Y2eic8VOSd5bvrv4VFmebdKxE3yZ1Q7E1Z IkeOaSGx0CzoYeo5sO2qbsPFeVk0IZdb1lkxRAROZ/zK7zeyIXYp4AmaT2c8iybVFLwW43 29Pt+sh3zmk5kkQSTkl1GuA1LdtVGrY= X-Stat-Signature: ntc57ocj3fx9zk6dzr6affy6wxn35trs X-Rspamd-Queue-Id: 4481E1C0008 X-Rspam-User: X-Rspamd-Server: rspam06 Authentication-Results: imf20.hostedemail.com; dkim=none; spf=pass (imf20.hostedemail.com: domain of segher@kernel.crashing.org designates 63.228.1.57 as permitted sender) smtp.mailfrom=segher@kernel.crashing.org; dmarc=none X-HE-Tag: 1661466188-247797 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 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