From: "H. Peter Anvin" <hpa@zytor.com>
To: Linus Torvalds <torvalds@osdl.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: UTF-8 and case-insensitivity
Date: Tue, 17 Feb 2004 19:14:27 -0800 [thread overview]
Message-ID: <4032D893.9050508@zytor.com> (raw)
In-Reply-To: <Pine.LNX.4.58.0402171859570.2686@home.osdl.org>
Linus Torvalds wrote:
>
> On Wed, 18 Feb 2004, H. Peter Anvin wrote:
>
>>Well, we don't want to support a bunch of hacks to make it behave like
>>Windows if what Windows does doesn't make sense.
>
>
> I'd disagree, for a very simple reason: case-insensitivity itself simply
> does not make sense, so the _only_ reason for having a bunch of hacks is
> literally to support windows file exports and nothing else.
>
> I obviously agree with the fact that we should _not_ put those hacks into
> the VFS layer proper - we should keep them as a separate thing, and we
> should make it clear that it makes no sense _except_ for Windows
> compatibility.
>
> Think of it as nothing more than a binary compatibility layer, the same
> way we have hooks to support "lcall 7,0" for binary compatibility with
> some silly (and much less interesting) x86 OSes through external modules.
>
Well, this is also true :) I still say it belongs in userspace.
For 100% bug-compatibility with Windows, though, it is probably
worthwhile to have the filename in the native filesystem be not what a
Windows user would see, but rather the normalized filename. That makes
a userspace implementation much easier.
-hpa
next prev parent reply other threads:[~2004-02-18 3:15 UTC|newest]
Thread overview: 135+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-17 4:12 UTF-8 and case-insensitivity tridge
2004-02-17 5:11 ` Linus Torvalds
2004-02-17 6:54 ` tridge
2004-02-17 8:33 ` Neil Brown
2004-02-17 22:48 ` tridge
2004-02-18 0:06 ` Neil Brown
2004-02-18 9:47 ` Helge Hafting
2004-02-17 15:13 ` Linus Torvalds
2004-02-17 16:57 ` Linus Torvalds
2004-02-17 19:44 ` viro
2004-02-17 20:10 ` Linus Torvalds
2004-02-17 20:17 ` viro
2004-02-17 20:23 ` Linus Torvalds
2004-02-17 21:08 ` Robin Rosenberg
2004-02-17 21:17 ` Linus Torvalds
2004-02-17 22:27 ` Robin Rosenberg
2004-02-18 3:02 ` tridge
2004-02-17 23:57 ` tridge
2004-02-17 23:20 ` tridge
2004-02-17 23:43 ` Linus Torvalds
2004-02-18 3:26 ` tridge
2004-02-18 5:33 ` H. Peter Anvin
2004-02-18 7:54 ` Marc Lehmann
2004-02-18 2:37 ` H. Peter Anvin
2004-02-18 3:03 ` Linus Torvalds
2004-02-18 3:14 ` H. Peter Anvin [this message]
2004-02-18 3:27 ` Linus Torvalds
2004-02-18 21:31 ` tridge
2004-02-18 22:23 ` Linus Torvalds
2004-02-18 22:28 ` Linus Torvalds
2004-02-18 22:50 ` tridge
2004-02-18 22:59 ` Linus Torvalds
2004-02-18 23:09 ` tridge
2004-02-18 23:16 ` Linus Torvalds
2004-02-19 8:10 ` Jamie Lokier
2004-02-19 16:09 ` Linus Torvalds
2004-02-19 16:38 ` Jamie Lokier
2004-02-19 16:54 ` Linus Torvalds
2004-02-19 18:29 ` Jamie Lokier
2004-02-19 19:48 ` Eureka! (was Re: UTF-8 and case-insensitivity) Linus Torvalds
2004-02-19 19:51 ` Linus Torvalds
2004-02-19 19:48 ` H. Peter Anvin
2004-02-19 20:04 ` Linus Torvalds
2004-02-19 20:05 ` viro
2004-02-19 20:23 ` Linus Torvalds
2004-02-19 20:32 ` Linus Torvalds
2004-02-19 20:45 ` viro
2004-02-19 21:26 ` Linus Torvalds
2004-02-19 21:38 ` Linus Torvalds
2004-02-19 21:45 ` Linus Torvalds
2004-02-19 21:43 ` viro
2004-02-19 21:53 ` Linus Torvalds
2004-02-19 22:21 ` David Lang
2004-02-19 20:48 ` Jamie Lokier
2004-02-19 21:30 ` Linus Torvalds
2004-02-20 0:00 ` Jamie Lokier
2004-02-20 0:17 ` Linus Torvalds
2004-02-20 0:24 ` Linus Torvalds
2004-02-20 0:30 ` Trond Myklebust
2004-02-20 0:54 ` Jamie Lokier
2004-02-20 0:57 ` tridge
2004-02-20 1:07 ` Paul Wagland
2004-02-20 13:31 ` Chris Wedgwood
2004-02-20 0:46 ` Jamie Lokier
2004-02-23 10:13 ` Tim Connors
2004-02-20 1:39 ` Junio C Hamano
2004-02-20 12:54 ` Jamie Lokier
2004-02-19 23:37 ` tridge
2004-02-20 0:02 ` Linus Torvalds
2004-02-20 0:16 ` tridge
2004-02-20 0:37 ` Linus Torvalds
2004-02-20 1:26 ` tridge
2004-02-20 1:07 ` H. Peter Anvin
2004-02-20 2:30 ` Theodore Ts'o
2004-02-20 12:04 ` explicit dcache <-> user-space cache coherency, sys_mark_dir_clean(), O_CLEAN Ingo Molnar
2004-02-20 13:19 ` Jamie Lokier
2004-02-20 13:37 ` Ingo Molnar
2004-02-20 14:00 ` Ingo Molnar
2004-02-20 16:31 ` Jamie Lokier
2004-02-20 13:23 ` [patch] " Ingo Molnar
2004-02-20 18:00 ` viro
2004-02-20 15:41 ` Linus Torvalds
2004-02-20 17:04 ` Ingo Molnar
2004-02-20 17:19 ` Linus Torvalds
2004-02-20 18:48 ` Ingo Molnar
2004-02-21 1:44 ` Jamie Lokier
2004-02-21 7:58 ` Ingo Molnar
2004-02-21 8:04 ` viro
2004-02-21 17:46 ` Ingo Molnar
2004-02-21 18:15 ` Linus Torvalds
2004-02-21 8:26 ` Keith Owens
2004-02-23 10:59 ` Pavel Machek
2004-02-23 13:55 ` Jamie Lokier
2004-02-23 16:45 ` Ingo Molnar
2004-02-23 17:32 ` Jamie Lokier
2004-02-20 23:00 ` tridge
2004-02-20 17:33 ` Jamie Lokier
2004-02-20 18:22 ` Linus Torvalds
2004-02-21 0:38 ` Jamie Lokier
2004-02-21 1:10 ` Linus Torvalds
2004-02-21 3:01 ` Jamie Lokier
2004-02-20 17:47 ` Jamie Lokier
2004-02-20 20:38 ` Christer Weinigel
2004-02-22 15:07 ` Jamie Lokier
2004-02-22 16:55 ` Miquel van Smoorenburg
2004-02-19 19:08 ` UTF-8 and case-insensitivity Helge Hafting
2004-02-18 4:08 ` tridge
2004-02-18 10:05 ` Robin Rosenberg
2004-02-18 11:43 ` tridge
2004-02-18 12:31 ` Robin Rosenberg
2004-02-18 16:48 ` H. Peter Anvin
2004-02-18 20:00 ` H. Peter Anvin
2004-02-19 2:53 ` Daniel Newby
2004-02-17 5:25 ` Tim Connors
2004-02-17 7:43 ` H. Peter Anvin
2004-02-17 8:05 ` H. Peter Anvin
2004-02-17 14:25 ` Dave Kleikamp
2004-02-18 0:16 ` Robert White
2004-02-18 0:20 ` Linus Torvalds
2004-02-18 1:03 ` Robert White
2004-02-18 21:48 ` Ville Herva
2004-02-18 2:48 ` tridge
2004-02-18 20:56 ` Robert White
[not found] <fa.epf5o9k.1rkudgo@ifi.uio.no>
[not found] ` <fa.idvvhjl.1jge92d@ifi.uio.no>
2004-02-18 1:09 ` Andy Lutomirski
[not found] <1q4Si-658-5@gated-at.bofh.it>
[not found] ` <1q7no-8ss-7@gated-at.bofh.it>
[not found] ` <1qfb7-7s5-19@gated-at.bofh.it>
[not found] ` <1qmPm-6Gl-11@gated-at.bofh.it>
[not found] ` <1qpWI-1Sa-1@gated-at.bofh.it>
[not found] ` <1qqpO-2lx-3@gated-at.bofh.it>
[not found] ` <1qqzv-2tr-3@gated-at.bofh.it>
[not found] ` <1qqJc-2A2-5@gated-at.bofh.it>
[not found] ` <1qHAR-2Wm-49@gated-at.bofh.it>
[not found] ` <1qIwr-5GB-11@gated-at.bofh.it>
[not found] ` <1qIwr-5GB-9@gated-at.bofh.it>
[not found] ` <1qIQ1-5WR-27@gated-at.bofh.it>
[not found] ` <1qIZt-6b9-11@gated-at.bofh.it>
[not found] ` <1qJsF-6Be-45@gated-at.bofh.it>
2004-02-19 0:06 ` Pascal Schmidt
2004-02-19 1:01 ` tridge
2004-02-19 1:08 ` Hua Zhong
2004-02-19 1:46 ` tridge
2004-02-19 2:44 ` Theodore Ts'o
2004-02-19 3:20 ` tridge
2004-02-19 10:18 ` Helge Hafting
2004-02-19 12:11 ` Paulo Marques
2004-02-19 19:04 ` Helge Hafting
2004-02-19 14:08 ` Theodore Ts'o
2004-02-19 20:12 ` Robert White
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