Received: by 2002:a25:8b91:0:0:0:0:0 with SMTP id j17csp971154ybl; Fri, 24 Jan 2020 12:58:06 -0800 (PST) X-Google-Smtp-Source: APXvYqxdA90HaLoGe5AZzP0zD1JSZpGvqdXQGDcgyVQYEpr7M15eC7Jr4aI17gGDsocQ1w2jJe3y X-Received: by 2002:a9d:7f16:: with SMTP id j22mr4115237otq.256.1579899486416; Fri, 24 Jan 2020 12:58:06 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1579899486; cv=none; d=google.com; s=arc-20160816; b=rva4d1XLrGU2XOMj0R9McjvGWhMAB+QNoCvIcuZcZV9aK1mNQdgiTMHI/lc/JqKGkC +0mUpFfzyrXSOA2PAJIDA/oU+/fhyPoTvmnMcWb+iNlLh5ofW+x4398/k+mJhf2H59dE OoIqz5m7ArbTRtpEJSCuea9ttcXMD6BPE8rXdehOR62JZZKOz/Pm+PqZNrQjRV7Yzsdx b5G0i1pCUS8QYLGooJHNYlQgzoCGSHKLVOJBjUYIKo1M/LS+Ct/hpmdOfM9dlu9k7XkB lKo1S92zhEIz4ajiatQe81IXbOjZlYDZFVPWpIFVw8Js0u1rLRPm6i0+KHPVn93FyXJq Um3A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:dkim-signature; bh=UeNd8cDikAZfPsMDcLH3HXRHVWtJV1fmj5x2OtFe5U4=; b=wUUnIcmKr2ydebV15HsYcVs+W1Z2OJhjqo0JvmjX7vrp+brKmEHj8/wWTW5VES7ay1 omqpZU5UtLorC6P77kTtjp6btbMV/4lfzUP9tkBIzb7gR9FYJCj/Gu4/r5TwIjRlGPaA 0g/CENPie/mdIw97DViSCDiq89PsdsXlc4ztxbR/o0f6ZDBuGln6R2mETQRgQrdh4N3J 0Y1PZlhzt+++K4IFc+UbIibUTpEw0SuBBCJvX/pSs0XbywkJH0wcBEhTE0otS/trXJG8 6Mvz65icAHKdiQzilFfMQOV6Ruo+SjwkgokmYUiyS1b3ddy/tCkdH4W6StC25diJUA71 GyvQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linux-foundation.org header.s=google header.b=Q7jDnV3u; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id t25si351449oic.183.2020.01.24.12.57.54; Fri, 24 Jan 2020 12:58:06 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@linux-foundation.org header.s=google header.b=Q7jDnV3u; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390755AbgAXRsO (ORCPT + 99 others); Fri, 24 Jan 2020 12:48:14 -0500 Received: from mail-lf1-f52.google.com ([209.85.167.52]:42891 "EHLO mail-lf1-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390378AbgAXRsN (ORCPT ); Fri, 24 Jan 2020 12:48:13 -0500 Received: by mail-lf1-f52.google.com with SMTP id y19so1666228lfl.9 for ; Fri, 24 Jan 2020 09:48:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=UeNd8cDikAZfPsMDcLH3HXRHVWtJV1fmj5x2OtFe5U4=; b=Q7jDnV3uFGpcFOXfx0sDToVKK1+ShWxMawH60hxdkkobojekNBomm2UEWO8o7bmoTK HEErANJjl8S6iy89lk/sC4mE7wDDoMRvGk6OvK+x4eZg0R+df7JUg/C+RHn/1Gs9HK++ MKLm5y9lb1HuYcsvG7Fptfe2ZYW/tYoYBXR/M= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=UeNd8cDikAZfPsMDcLH3HXRHVWtJV1fmj5x2OtFe5U4=; b=DBxUbhyCGbkuk+ZffTzVnDAbiQHyCZLywG6k72GDGF0GBOBHzBt6OeO4bNAecz2nIH G6GJuSlcsxjHw804rtxrRniFE3gPy36P/LyTsFNkwH0jMGabOLVqfkBvdypU9vFl7lVk 6oJH5sT5/DDRfJxN0Jv2ZOppgbA1nyImEVpq8GgSTg5syx0R1+nmnmF5AmwTvY10Fr3s xYF+cdJ1GAUq+I9CH9V+Fx49g0zODIW18uh1Xo/RI3hbQ7RAyKA6CotC2bPTQ514YE7G Msf2QfkcsLkTnW0qsTuMP5W5Ngt+0mpiY7UzMfk7kDEmvJXlU7T4nF5RMIpzX//1YwSJ l5JA== X-Gm-Message-State: APjAAAUqxRdMg1O4Wcd16i/0rDAYNndrEoQQCu08aQs1tHnhX1evjKHc JQXLg6vWyg1PchFKFHPP+iilMBeWsE8= X-Received: by 2002:ac2:4214:: with SMTP id y20mr1924189lfh.214.1579888091231; Fri, 24 Jan 2020 09:48:11 -0800 (PST) Received: from mail-lj1-f172.google.com (mail-lj1-f172.google.com. [209.85.208.172]) by smtp.gmail.com with ESMTPSA id r2sm3670719lff.63.2020.01.24.09.48.10 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 24 Jan 2020 09:48:10 -0800 (PST) Received: by mail-lj1-f172.google.com with SMTP id j1so3445318lja.2 for ; Fri, 24 Jan 2020 09:48:10 -0800 (PST) X-Received: by 2002:a2e:2a86:: with SMTP id q128mr2898619ljq.241.1579888089736; Fri, 24 Jan 2020 09:48:09 -0800 (PST) MIME-Version: 1.0 References: <20200119221455.bac7dc55g56q2l4r@pali> <87sgkan57p.fsf@mail.parknet.co.jp> <20200120073040.GZ8904@ZenIV.linux.org.uk> <20200120074558.GA8904@ZenIV.linux.org.uk> <20200120080721.GB8904@ZenIV.linux.org.uk> <20200120193558.GD8904@ZenIV.linux.org.uk> <20200124042953.GA832@sol.localdomain> In-Reply-To: <20200124042953.GA832@sol.localdomain> From: Linus Torvalds Date: Fri, 24 Jan 2020 09:47:53 -0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: oopsably broken case-insensitive support in ext4 and f2fs (Re: vfat: Broken case-insensitive support for UTF-8) To: Eric Biggers Cc: Al Viro , OGAWA Hirofumi , =?UTF-8?Q?Pali_Roh=C3=A1r?= , Linux Kernel Mailing List , linux-fsdevel , "Theodore Y. Ts'o" , Namjae Jeon , Gabriel Krisman Bertazi Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jan 23, 2020 at 8:29 PM Eric Biggers wrote: > > Thanks Al. I sent out fixes for this: How did that f2fs_d_compare() function ever work? It was doing the memcmp on completely the wrong thing. Linus