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=-2.3 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, MAILING_LIST_MULTI,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 B088DC54FCB for ; Mon, 27 Apr 2020 15:49:32 +0000 (UTC) Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 84E44206B6 for ; Mon, 27 Apr 2020 15:49:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="yedYM2eN" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 84E44206B6 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=driverdev-devel-bounces@linuxdriverproject.org Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id 5CC7B85FCB; Mon, 27 Apr 2020 15:49:32 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id f1XMSXQLiYC9; Mon, 27 Apr 2020 15:49:31 +0000 (UTC) Received: from ash.osuosl.org (ash.osuosl.org [140.211.166.34]) by fraxinus.osuosl.org (Postfix) with ESMTP id BAD3985FFC; Mon, 27 Apr 2020 15:49:31 +0000 (UTC) Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by ash.osuosl.org (Postfix) with ESMTP id 22EBC1BF35E for ; Mon, 27 Apr 2020 15:49:30 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id 1FC8F87E2E for ; Mon, 27 Apr 2020 15:49:30 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id sHqB8m1coQg1 for ; Mon, 27 Apr 2020 15:49:29 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by hemlock.osuosl.org (Postfix) with ESMTPS id AB3C987E14 for ; Mon, 27 Apr 2020 15:49:29 +0000 (UTC) Received: from localhost (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 4388E20661; Mon, 27 Apr 2020 15:49:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588002569; bh=XdgBlxAK5lKNtXaEHrrDUXPAQyDBjlt7+S6BvSx/T60=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=yedYM2eNs4wVNJCUIkOc6nDMCNINGso8TUjWAR4Npb0/yqm5QYWl8gEzSRMQW5AXj 8TuhE0o7mo753OEhTMNkjCLhC7p7oLVZuPlS/iIbDR7hJcoQ+xMArX9GjJvWMxVuP/ wRqqpxMLf1IpPmP+Kdxf9G9OZp3tjT1qWoTpIio4= Date: Mon, 27 Apr 2020 11:49:13 -0400 From: Sasha Levin To: Pali =?iso-8859-1?Q?Roh=E1r?= Subject: Re: exfat upcase table for code points above U+FFFF (Was: Re: [PATCH] staging: exfat: add exfat filesystem code to staging) Message-ID: <20200427154913.GR13035@sasha-vm> References: <20190829233506.GT5281@sasha-vm> <20190830075647.wvhrx4asnkrfkkwk@pali> <20191016140353.4hrncxa5wkx47oau@pali> <20191016143113.GS31224@sasha-vm> <20191016160349.pwghlg566hh2o7id@pali> <20191016203317.GU31224@sasha-vm> <20191017075008.2uqgdimo3hrktj3i@pali> <20200213000656.hx5wdofkcpg7aoyo@pali> <20200213211847.GA1734@sasha-vm> <20200421213045.skv2dvgm3xuspbl7@pali> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200421213045.skv2dvgm3xuspbl7@pali> User-Agent: Mutt/1.10.1 (2018-07-13) X-BeenThere: driverdev-devel@linuxdriverproject.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Driver Project Developer List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devel@driverdev.osuosl.org, Christoph Hellwig , Valdis =?utf-8?Q?Kl=C4=93tnieks?= , Greg Kroah-Hartman , linux-kernel@vger.kernel.org, Sasha Levin , linux-fsdevel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="iso-8859-1"; Format="flowed" Errors-To: driverdev-devel-bounces@linuxdriverproject.org Sender: "devel" On Tue, Apr 21, 2020 at 11:30:45PM +0200, Pali Roh=E1r wrote: >On Thursday 13 February 2020 16:18:47 Sasha Levin wrote: >> On Thu, Feb 13, 2020 at 01:06:56AM +0100, Pali Roh=E1r wrote: >> > In released exFAT specification is not written how are Unicode code >> > points above U+FFFF represented in exFAT upcase table. Normally in >> > UTF-16 are Unicode code points above U+FFFF represented by surrogate >> > pairs but compression format of exFAT upcase table is not clear how to >> > do it there. >> > >> > Are you able to send question about this problem to relevant MS people? >> > >> > New Linux implementation of exfat which is waiting on mailing list just >> > do not support Unicode code points above U+FFFF in exFAT upcase table. >> >> Sure, I'll forward this question on. I'll see if I can get someone from >> their team who could be available to answer questions such as these in >> the future - Microsoft is interested in maintaining compatiblity between >> Linux and Windows exFAT implementations. > >Hello Sasha! Have you got any answer from exfat MS team about upcase >table for Unicode code points above U+FFFF? Sorry for taking so long. This is my understanding from the Windows folks: Windows filesystems just don't support variable encoding length, and expect UCS-2 strings. -- = Thanks, Sasha _______________________________________________ devel mailing list devel@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel