From: Sasha Levin <sashal@kernel.org>
To: "Pali Rohár" <pali@kernel.org>
Cc: "Valdis Klētnieks" <valdis.kletnieks@vt.edu>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
devel@driverdev.osuosl.org, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org,
"Sasha Levin" <alexander.levin@microsoft.com>,
"Christoph Hellwig" <hch@infradead.org>
Subject: Re: exfat upcase table for code points above U+FFFF (Was: Re: [PATCH] staging: exfat: add exfat filesystem code to staging)
Date: Mon, 27 Apr 2020 11:49:13 -0400 [thread overview]
Message-ID: <20200427154913.GR13035@sasha-vm> (raw)
In-Reply-To: <20200421213045.skv2dvgm3xuspbl7@pali>
On Tue, Apr 21, 2020 at 11:30:45PM +0200, Pali Rohár wrote:
>On Thursday 13 February 2020 16:18:47 Sasha Levin wrote:
>> On Thu, Feb 13, 2020 at 01:06:56AM +0100, Pali Rohár 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
next prev parent reply other threads:[~2020-04-27 15:49 UTC|newest]
Thread overview: 82+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-28 16:08 [PATCH] staging: exfat: add exfat filesystem code to staging Greg Kroah-Hartman
2019-08-28 17:00 ` Greg Kroah-Hartman
2019-08-29 6:23 ` Christoph Hellwig
2019-08-29 6:39 ` Greg Kroah-Hartman
2019-08-29 9:41 ` Christoph Hellwig
2019-08-29 9:50 ` Greg Kroah-Hartman
2019-08-29 10:37 ` Christoph Hellwig
2019-08-29 11:04 ` Gao Xiang
2019-08-29 11:18 ` Greg Kroah-Hartman
2019-08-29 11:18 ` Greg Kroah-Hartman
2019-08-29 15:11 ` Dan Carpenter
2019-08-29 15:27 ` Gao Xiang
2019-08-29 15:43 ` Dan Carpenter
2019-08-29 15:51 ` Gao Xiang
2019-08-29 16:04 ` Gao Xiang
2019-08-30 8:34 ` Dan Carpenter
2019-08-30 8:43 ` Gao Xiang
2019-08-30 11:26 ` Dan Carpenter
2019-08-30 12:04 ` Gao Xiang
2019-08-29 16:44 ` Gao Xiang
2019-08-29 16:59 ` Joe Perches
2019-08-29 17:02 ` Gao Xiang
2019-08-30 2:06 ` Chao Yu
2019-08-30 6:38 ` Gao Xiang
2019-08-30 12:00 ` Checking usage of likeliness annotations Markus Elfring
2019-08-30 12:00 ` Markus Elfring
2019-08-30 11:51 ` [PATCH] staging: exfat: add exfat filesystem code to staging David Sterba
2019-08-31 3:50 ` Chao Yu
2019-08-30 15:36 ` Christoph Hellwig
2019-08-30 21:54 ` Dave Chinner
2019-08-31 10:31 ` Valdis Klētnieks
2019-09-01 0:04 ` Dave Chinner
2019-08-29 7:01 ` Gao Xiang
2019-08-29 8:24 ` Gao Xiang
2019-08-29 9:51 ` Christoph Hellwig
2019-08-29 12:14 ` Pali Rohár
2019-08-29 12:34 ` Valdis Klētnieks
2019-08-29 12:46 ` Pali Rohár
2019-08-29 14:08 ` Markus Elfring
2019-08-29 14:08 ` Markus Elfring
2019-08-29 15:44 ` Markus Elfring
2019-08-29 15:44 ` Markus Elfring
2019-08-29 20:56 ` Pali Rohár
2019-08-29 23:18 ` Valdis Klētnieks
2019-08-29 23:35 ` Sasha Levin
2019-08-30 7:56 ` Pali Rohár
2019-10-16 14:03 ` Pali Rohár
2019-10-16 14:31 ` Sasha Levin
2019-10-16 16:03 ` Pali Rohár
2019-10-16 16:20 ` Sasha Levin
2019-10-16 16:22 ` Greg Kroah-Hartman
2019-10-16 16:32 ` Pali Rohár
2019-10-16 16:50 ` Greg Kroah-Hartman
2019-10-16 20:33 ` Sasha Levin
2019-10-16 21:53 ` Valdis Klētnieks
2019-10-17 7:53 ` Pali Rohár
2019-10-17 7:50 ` Pali Rohár
2020-02-13 0:06 ` Pali Rohár
2020-02-13 21:18 ` Sasha Levin
2020-02-14 22:16 ` Valdis Klētnieks
2020-02-14 22:43 ` Pali Rohár
2020-02-14 23:25 ` Valdis Klētnieks
2020-04-21 21:30 ` exfat upcase table for code points above U+FFFF (Was: Re: [PATCH] staging: exfat: add exfat filesystem code to staging) Pali Rohár
2020-04-27 15:49 ` Sasha Levin [this message]
2020-04-28 7:46 ` Pali Rohár
2019-10-16 16:05 ` [PATCH] staging: exfat: add exfat filesystem code to staging Valdis Klētnieks
2019-08-30 8:03 ` Pali Rohár
2019-08-30 15:40 ` Christoph Hellwig
2019-08-30 15:43 ` Pali Rohár
2019-09-14 13:39 ` [PATCH] staging: exfat: add exfat filesystem code to Park Ju Hyung
2019-09-15 13:54 ` Greg KH
2019-09-15 16:11 ` Ju Hyung Park
[not found] ` <20190918195920.25210-1-qkrwngud825@gmail.com>
2019-09-18 20:12 ` [PATCH] staging: exfat: rebase to sdFAT v2.2.0 Greg KH
2019-09-18 20:13 ` Greg KH
2019-09-18 20:22 ` Ju Hyung Park
2019-09-18 20:26 ` Greg KH
2019-09-18 20:31 ` Ju Hyung Park
2019-09-18 20:46 ` Valdis Klētnieks
2019-09-18 21:31 ` kbuild test robot
2019-09-18 22:17 ` Ju Hyung Park
2019-09-18 21:31 ` kbuild test robot
2019-10-24 9:39 ` [PATCH] staging: exfat: add exfat filesystem code to staging Pali Rohár
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